Cita APA (7th ed.)

Perry, G. (2017). The descent of man. Penguin Books.

Cita Chicago (17th ed.)

Perry, Grayson. The Descent of Man. London: Penguin Books, 2017.

Cita MLA (9th ed.)

Perry, Grayson. The Descent of Man. Penguin Books, 2017.

Atenció: Aquestes cites poden no estar 100% correctes.