Style de citation APA

Steinbeck, J. (1994). Once there was a war. Penguin Books.

Style de citation Chicago

Steinbeck, John. Once There Was a War. London: Penguin Books, 1994.

Style de citation MLA

Steinbeck, John. Once There Was a War. Penguin Books, 1994.

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