APA استشهاد

Desmond, A., & Moore, J. (1991). Darwin. Penguin Books.

استشهاد بنمط شيكاغو

Desmond, Adrian, و James Moore. Darwin. London: Penguin Books, 1991.

MLA استشهاد

Desmond, Adrian, و James Moore. Darwin. Penguin Books, 1991.