Cita APA

Darwin, C. R. 1. (1937). The voyage of the Beagle. New York, New York: P.F. Collier.

Citación estilo Chicago

Darwin, Charles Robert 1809-1882. The Voyage of the Beagle. New York, New York: P.F. Collier, 1937.

Cita MLA

Darwin, Charles Robert 1809-1882. The Voyage of the Beagle. New York, New York: P.F. Collier, 1937.