diff --git a/CITATION.cff b/CITATION.cff
new file mode 100644
index 00000000..367a80b7
--- /dev/null
+++ b/CITATION.cff
@@ -0,0 +1,302 @@
+# -----------------------------------------------------------
+# CITATION file created with {cffr} R package, v0.5.0
+# See also: https://docs.ropensci.org/cffr/
+# -----------------------------------------------------------
+ 
+cff-version: 1.2.0
+message: 'To cite package "readepi" in publications use:'
+type: software
+license: MIT
+title: 'readepi: Read Data From Health Information Systems'
+version: 0.1.0
+abstract: Data import from several health information systems ('HIS'). The current
+  version of the package covers 'HIS' such as 'MS SQL', 'MySQL', 'PostGRESQL' servers,
+  'REDCap', 'DHIS2' and 'Fingertips'.
+authors:
+- family-names: Mané
+  given-names: Karim
+  email: lshkm1@lshtm.ac.uk
+  orcid: https://orcid.org/0000-0002-9892-2999
+preferred-citation:
+  type: manual
+  title: Read Data From Health Information Systems
+  authors:
+  - family-names: Mané
+    given-names: Karim
+    email: lshkm1@lshtm.ac.uk
+    orcid: https://orcid.org/0000-0002-9892-2999
+  - family-names: Mohammed
+    given-names: Nuredin
+  - family-names: Bah
+    given-names: Bubacarr
+  - family-names: Ahadzie
+    given-names: Bankolé
+  - family-names: Degoot
+    given-names: Abdoelnaser
+  year: '2023'
+  url: https://github.com/epiverse-trace/readepi
+repository-code: https://github.com/epiverse-trace/readepi
+url: https://epiverse-trace.github.io/readepi
+contact:
+- family-names: Mané
+  given-names: Karim
+  email: lshkm1@lshtm.ac.uk
+  orcid: https://orcid.org/0000-0002-9892-2999
+keywords:
+- data-import
+- epidemiology
+- epiverse
+- health-information-systems
+- r
+- r-package
+references:
+- type: software
+  title: checkmate
+  abstract: 'checkmate: Fast and Versatile Argument Checks'
+  notes: Imports
+  url: https://mllg.github.io/checkmate/
+  repository: https://CRAN.R-project.org/package=checkmate
+  authors:
+  - family-names: Lang
+    given-names: Michel
+    email: michellang@gmail.com
+    orcid: https://orcid.org/0000-0001-9754-0393
+  year: '2023'
+- type: software
+  title: DBI
+  abstract: 'DBI: R Database Interface'
+  notes: Imports
+  url: https://dbi.r-dbi.org
+  repository: https://CRAN.R-project.org/package=DBI
+  authors:
+  - name: R Special Interest Group on Databases (R-SIG-DB)
+  - family-names: Wickham
+    given-names: Hadley
+  - family-names: Müller
+    given-names: Kirill
+    email: krlmlr+r@mailbox.org
+    orcid: https://orcid.org/0000-0002-1416-3412
+  year: '2023'
+- type: software
+  title: dplyr
+  abstract: 'dplyr: A Grammar of Data Manipulation'
+  notes: Imports
+  url: https://dplyr.tidyverse.org
+  repository: https://CRAN.R-project.org/package=dplyr
+  authors:
+  - family-names: Wickham
+    given-names: Hadley
+    email: hadley@posit.co
+    orcid: https://orcid.org/0000-0003-4757-117X
+  - family-names: François
+    given-names: Romain
+    orcid: https://orcid.org/0000-0002-2444-4226
+  - family-names: Henry
+    given-names: Lionel
+  - family-names: Müller
+    given-names: Kirill
+    orcid: https://orcid.org/0000-0002-1416-3412
+  - family-names: Vaughan
+    given-names: Davis
+    email: davis@posit.co
+    orcid: https://orcid.org/0000-0003-4777-038X
+  year: '2023'
+- type: software
+  title: fingertipsR
+  abstract: 'fingertipsR: Fingertips Data for Public Health'
+  notes: Imports
+  url: https://fingertips.phe.org.uk
+  authors:
+  - family-names: Westermann
+    given-names: Annabel
+    email: annabel.westermann@dhsc.gov.uk
+  - family-names: Fox
+    given-names: Sebastian
+    email: sebsfox@gmail.com
+  - family-names: Flowers
+    given-names: Julian
+  year: '2023'
+  version: '>= 1.0.10.9001'
+- type: software
+  title: glue
+  abstract: 'glue: Interpreted String Literals'
+  notes: Imports
+  url: https://glue.tidyverse.org/
+  repository: https://CRAN.R-project.org/package=glue
+  authors:
+  - family-names: Hester
+    given-names: Jim
+    orcid: https://orcid.org/0000-0002-2739-7082
+  - family-names: Bryan
+    given-names: Jennifer
+    email: jenny@rstudio.com
+    orcid: https://orcid.org/0000-0002-6983-2759
+  year: '2023'
+- type: software
+  title: httr
+  abstract: 'httr: Tools for Working with URLs and HTTP'
+  notes: Imports
+  url: https://httr.r-lib.org/
+  repository: https://CRAN.R-project.org/package=httr
+  authors:
+  - family-names: Wickham
+    given-names: Hadley
+    email: hadley@posit.co
+  year: '2023'
+- type: software
+  title: magrittr
+  abstract: 'magrittr: A Forward-Pipe Operator for R'
+  notes: Imports
+  url: https://magrittr.tidyverse.org
+  repository: https://CRAN.R-project.org/package=magrittr
+  authors:
+  - family-names: Bache
+    given-names: Stefan Milton
+    email: stefan@stefanbache.dk
+  - family-names: Wickham
+    given-names: Hadley
+    email: hadley@rstudio.com
+  year: '2023'
+- type: software
+  title: odbc
+  abstract: 'odbc: Connect to ODBC Compatible Databases (using the DBI Interface)'
+  notes: Imports
+  url: https://r-dbi.github.io/odbc/
+  repository: https://CRAN.R-project.org/package=odbc
+  authors:
+  - family-names: Hester
+    given-names: Jim
+  - family-names: Wickham
+    given-names: Hadley
+    email: hadley@rstudio.com
+  - family-names: Gjoneski
+    given-names: Oliver
+  year: '2023'
+- type: software
+  title: pool
+  abstract: 'pool: Object Pooling'
+  notes: Imports
+  url: http://rstudio.github.io/pool/
+  repository: https://CRAN.R-project.org/package=pool
+  authors:
+  - family-names: Cheng
+    given-names: Joe
+    email: joe@posit.co
+  - family-names: Borges
+    given-names: Barbara
+  - family-names: Wickham
+    given-names: Hadley
+    email: hadley@posit.co
+  year: '2023'
+- type: software
+  title: REDCapR
+  abstract: 'REDCapR: Interaction Between R and REDCap'
+  notes: Imports
+  url: https://ouhscbbmc.github.io/REDCapR/
+  repository: https://CRAN.R-project.org/package=REDCapR
+  authors:
+  - family-names: Beasley
+    given-names: Will
+    email: wibeasley@hotmail.com
+    orcid: https://orcid.org/0000-0002-5613-5006
+  year: '2023'
+- type: software
+  title: RMySQL
+  abstract: 'RMySQL: Database Interface and ''MySQL'' Driver for R'
+  notes: Imports
+  url: https://downloads.mariadb.org/connector-c/
+  repository: https://CRAN.R-project.org/package=RMySQL
+  authors:
+  - family-names: Ooms
+    given-names: Jeroen
+    email: jeroen@berkeley.edu
+    orcid: https://orcid.org/0000-0002-4035-0289
+  - family-names: James
+    given-names: David
+  - family-names: DebRoy
+    given-names: Saikat
+  - family-names: Wickham
+    given-names: Hadley
+    email: hadley@rstudio.com
+  - family-names: Horner
+    given-names: Jeffrey
+  year: '2023'
+- type: software
+  title: httptest
+  abstract: 'httptest: A Test Environment for HTTP Requests'
+  notes: Suggests
+  url: https://enpiar.com/r/httptest/
+  repository: https://CRAN.R-project.org/package=httptest
+  authors:
+  - family-names: Richardson
+    given-names: Neal
+    email: neal.p.richardson@gmail.com
+    orcid: https://orcid.org/0009-0002-7992-3520
+  year: '2023'
+- type: software
+  title: knitr
+  abstract: 'knitr: A General-Purpose Package for Dynamic Report Generation in R'
+  notes: Suggests
+  url: https://yihui.org/knitr/
+  repository: https://CRAN.R-project.org/package=knitr
+  authors:
+  - family-names: Xie
+    given-names: Yihui
+    email: xie@yihui.name
+    orcid: https://orcid.org/0000-0003-0645-5666
+  year: '2023'
+- type: software
+  title: rmarkdown
+  abstract: 'rmarkdown: Dynamic Documents for R'
+  notes: Suggests
+  url: https://pkgs.rstudio.com/rmarkdown/
+  repository: https://CRAN.R-project.org/package=rmarkdown
+  authors:
+  - family-names: Allaire
+    given-names: JJ
+    email: jj@posit.co
+  - family-names: Xie
+    given-names: Yihui
+    email: xie@yihui.name
+    orcid: https://orcid.org/0000-0003-0645-5666
+  - family-names: Dervieux
+    given-names: Christophe
+    email: cderv@posit.co
+    orcid: https://orcid.org/0000-0003-4474-2498
+  - family-names: McPherson
+    given-names: Jonathan
+    email: jonathan@posit.co
+  - family-names: Luraschi
+    given-names: Javier
+  - family-names: Ushey
+    given-names: Kevin
+    email: kevin@posit.co
+  - family-names: Atkins
+    given-names: Aron
+    email: aron@posit.co
+  - family-names: Wickham
+    given-names: Hadley
+    email: hadley@posit.co
+  - family-names: Cheng
+    given-names: Joe
+    email: joe@posit.co
+  - family-names: Chang
+    given-names: Winston
+    email: winston@posit.co
+  - family-names: Iannone
+    given-names: Richard
+    email: rich@posit.co
+    orcid: https://orcid.org/0000-0003-3925-190X
+  year: '2023'
+- type: software
+  title: testthat
+  abstract: 'testthat: Unit Testing for R'
+  notes: Suggests
+  url: https://testthat.r-lib.org
+  repository: https://CRAN.R-project.org/package=testthat
+  authors:
+  - family-names: Wickham
+    given-names: Hadley
+    email: hadley@posit.co
+  year: '2023'
+  version: '>= 3.0.0'