Montagu, A. (1979). The human connection. Mcgraw-Hill.
Cita Chicago (17th ed.)Montagu, Ashley. The Human Connection. New York: Mcgraw-Hill, 1979.
Cita MLA (9th ed.)Montagu, Ashley. The Human Connection. Mcgraw-Hill, 1979.
Atenció: Aquestes cites poden no estar 100% correctes.