APA Citation

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

Chicago Style Citation

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

MLA Citation

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

Warning: These citations may not always be 100% accurate.