Cita APA (7a ed.)

Friedl, J., & Pfeiffer, J. E. (1977). Anthropology: The study of people. Harper's College Press.

Cita Chicago Style (17a ed.)

Friedl, John, y John E. Pfeiffer. Anthropology: The Study of People. New York [etc.]: Harper's College Press, 1977.

Cita MLA (9a ed.)

Friedl, John, y John E. Pfeiffer. Anthropology: The Study of People. Harper's College Press, 1977.