Cita APA

Darwin, C. R. 1., & Darwin, C. R. 1. (1952). The descent of man and selection in relation to sex. Encyclopaedia Britannica.

Citación estilo Chicago

Darwin, Charles Robert 1809-1882, y Charles Robert 1809-1882 Darwin. The Descent of Man and Selection in Relation to Sex. Encyclopaedia Britannica, 1952.

Cita MLA

Darwin, Charles Robert 1809-1882, y Charles Robert 1809-1882 Darwin. The Descent of Man and Selection in Relation to Sex. Encyclopaedia Britannica, 1952.