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README.md

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 # splithalfr: Split-Half Reliabilities
 Estimates split-half reliabilities for scoring algorithms of cognitive tasks and questionnaires. 
 
+## How to cite
+Please cite the software and the compendium paper.
+
+### Paper citation 
+
+Pronk, T., Molenaar, D., Wiers, R. W., & Murre, J. M. J. (2021). Methods to split cognitive task data for estimating split-half reliability: A comprehensive review and systematic assessment. *Psychonomic Bulletin & Review*. https://doi.org/10.3758/s13423-021-01948-3
+
+### Software citation (for version 2.0.0)
+
+Pronk, T. (2021). *splithalfr: Estimates split-half reliabilities for scoring algorithms of cognitive tasks and questionnaires* (Version 2.2.0) [Computer software]. https://github.com/tpronk/splithalfr/
+
 ## Getting started
 We've got six short vignettes to help you get started. You can open a vignette bij running the corresponding code snippets `vignette(...)` in the R console.