Cita APA (7a ed.)

Beals, R. L., Hoijer, H., & Beals, A. R. (1977). An introduction to anthropology (5th ed.). Macmillan.

Cita Chicago Style (17a ed.)

Beals, Ralph Leon, Harry Hoijer, y Alan R. Beals. An Introduction to Anthropology. 5th ed. New York: Macmillan, 1977.

Cita MLA (9a ed.)

Beals, Ralph Leon, et al. An Introduction to Anthropology. 5th ed. Macmillan, 1977.