APA (7th ed.) Citation

Downs, J. F., & Bleibtreu, H. K. (1972). Human variation: An introduction to physical anthropology (Rev. ed.). Glencoe Press.

Chicago Style (17th ed.) Citation

Downs, James F., and Hermann K. Bleibtreu. Human Variation: An Introduction to Physical Anthropology. Rev. ed. Beverly Hills, Calif.: Glencoe Press, 1972.

MLA (9th ed.) Citation

Downs, James F., and Hermann K. Bleibtreu. Human Variation: An Introduction to Physical Anthropology. Rev. ed. Glencoe Press, 1972.