Cita APA

Bates, M. 1., & Humphrey, P. S. 1. (1956). The Darwin reader. New York: Charles Scribner's Sons.

Citación estilo Chicago

Bates, Marston 1906-1974, y Philip S. 1926-2009 Humphrey. The Darwin Reader. New York: Charles Scribner's Sons, 1956.

Cita MLA

Bates, Marston 1906-1974, y Philip S. 1926-2009 Humphrey. The Darwin Reader. New York: Charles Scribner's Sons, 1956.