Update README.md

Author: ocommowi

README.md

@@ -4,3 +4,10 @@ Open source software for medical image processing from the Empenn team
 Information on compilation, tools documentation and licensing available in the [wiki](https://github.com/Inria-Visages/Anima-Public/wiki)
 
 Binary releases for major OSes are available from [that page](https://github.com/Inria-Visages/Anima-Public/releases)
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+## Reference Anima 
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+If you are using Anima scripts for your research, please take the time to:
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+- Cite the relevant papers referenced in the other pages of this documentation wiki
+- Add a sentence in your acknowledgments section or in the methods part of your paper referencing the [RRID](https://rrid.org) of Anima: RRID:SCR_017017 (should be written like this to ensure it is recognized by search bots)