APA (7th ed.) Citation

Robert, J. (2019). Claude Willard (1922-2017). Association Paul Langevin.

Chicago Style (17th ed.) Citation

Robert, Jean-Louis. Claude Willard (1922-2017). Association Paul Langevin, 2019.

MLA (8th ed.) Citation

Robert, Jean-Louis. Claude Willard (1922-2017). Association Paul Langevin, 2019.

Warning: These citations may not always be 100% accurate.