Morris, D. (1971). The human zoo: Desmond Morris (Reprinted.). Transworld.
Cita Chicago (17th ed.)Morris, Desmond. The Human Zoo: Desmond Morris. Reprinted. London: Transworld, 1971.
Cita MLA (8th ed.)Morris, Desmond. The Human Zoo: Desmond Morris. Reprinted. Transworld, 1971.
Atenció: Aquestes cites poden no estar 100% correctes.