Cita APA (7a ed.)

Darwin, C., Bates, M., & Humphrey, P. S. (1957). The Darwin reader. Macmillan & Co.

Cita Chicago Style (17a ed.)

Darwin, Charles, Marston Bates, y Philip S. Humphrey. The Darwin Reader. London: Macmillan & Co, 1957.

Cita MLA (9a ed.)

Darwin, Charles, et al. The Darwin Reader. Macmillan & Co, 1957.