Cita APA (7th ed.)
Hewes, G. W. (1973). The origin of man. Burgess.
Cita Chicago (17th ed.)
Hewes, Gordon Winant. The Origin of Man. Minneapolis, Minnesota: Burgess, 1973.
Cita MLA (9th ed.)
Hewes, Gordon Winant. The Origin of Man. Burgess, 1973.
Atenció: Aquestes cites poden no estar 100% correctes.