APA (7th ed.) Citation

Human Relations Area Files, Inc, Lagacé, R. O., & Beierle, J. (1977). Sixty cultures: A guide to the HRAF probability sample files. Human Relations Area Files.

Chicago Style (17th ed.) Citation

Human Relations Area Files, Inc, Robert O. Lagacé, and John Beierle. Sixty Cultures: A Guide to the HRAF Probability Sample Files. New Haven, Conn.: Human Relations Area Files, 1977.

MLA (9th ed.) Citation

Human Relations Area Files, Inc, et al. Sixty Cultures: A Guide to the HRAF Probability Sample Files. Human Relations Area Files, 1977.