Cita APA (7th ed.)
Morris, D. (1969). The human zoo. McGraw Hill.
Cita Chicago (17th ed.)
Morris, Desmond. The Human Zoo. New York: McGraw Hill, 1969.
Cita MLA (9th ed.)
Morris, Desmond. The Human Zoo. McGraw Hill, 1969.
Atenció: Aquestes cites poden no estar 100% correctes.