APA (7th ed.) Citation

Darwin, C. The Descent of Man and Selection in Relation to Sex, Vol. II (1st Edition).

Chicago Style (17th ed.) Citation

Darwin, Charles. The Descent of Man and Selection in Relation to Sex, Vol. II (1st Edition).

MLA (9th ed.) Citation

Darwin, Charles. The Descent of Man and Selection in Relation to Sex, Vol. II (1st Edition).

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