Style de citation APA (7e éd.)

RICHARDS, R. (1991). An Early Start To Ourselves And Evolution With Life Processes Roy Richards. Simon and Schuster.

Style de citation Chicago (17e éd.)

RICHARDS, Roy. An Early Start To Ourselves And Evolution With Life Processes Roy Richards. Simon and Schuster, 1991.

Style de citation MLA (8e éd.)

RICHARDS, Roy. An Early Start To Ourselves And Evolution With Life Processes Roy Richards. Simon and Schuster, 1991.

Attention : ces citations peuvent ne pas être correctes à 100%.