Add citation section

Author: kabilar

README.md

@@ -95,3 +95,17 @@ For more detail, check the docstring of the `element-array-ephys`:
 ### Example usage
 
 See [this project](https://github.com/datajoint/workflow-array-ephys) for an example usage of this Array Electrophysiology Element.
+
+## Citation
+
++ If your work uses DataJoint and DataJoint Elements, please cite the respective Research Resource Identifiers (RRIDs) and manuscripts.
+
++ DataJoint for Python or MATLAB
+    + Yatsenko D, Reimer J, Ecker AS, Walker EY, Sinz F, Berens P, Hoenselaar A, Cotton RJ, Siapas AS, Tolias AS. DataJoint: managing big scientific data using MATLAB or Python. bioRxiv. 2015 Jan 1:031658. doi: https://doi.org/10.1101/031658
+
+    + DataJoint ([RRID:SCR_014543](https://scicrunch.org/resolver/SCR_014543)) - DataJoint for < Python or MATLAB > (version < enter version number >)
+
++ DataJoint Elements
+    + Yatsenko D, Nguyen T, Shen S, Gunalan K, Turner CA, Guzman R, Sasaki M, Sitonic D, Reimer J, Walker EY, Tolias AS. DataJoint Elements: Data Workflows for Neurophysiology. bioRxiv. 2021 Jan 1. doi: https://doi.org/10.1101/2021.03.30.437358
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+    + DataJoint Elements ([RRID:SCR_021894](https://scicrunch.org/resolver/SCR_021894)) - Element Array Electrophysiology (version < enter version number >)