(1972). Sexual selection and the descent of man, 1871-1971. Aldine Publishing.
Chicago-viite (17. p.)Sexual Selection and the Descent of Man, 1871-1971. Chicago: Aldine Publishing, 1972.
MLA-viite (9. p.)Sexual Selection and the Descent of Man, 1871-1971. Aldine Publishing, 1972.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.