APA (7th ed.) Citation

Viereck, P., Jarolimek, J., Davis, B., & Croon Davis, C. (1973). The third planet: People using the earth. Macmillan [u.a.

Chicago Style (17th ed.) Citation

Viereck, Phillip, John Jarolimek, Bertha Davis, and Charlotte Croon Davis. The Third Planet: People Using the Earth. New York: Macmillan [u.a, 1973.

MLA (9th ed.) Citation

Viereck, Phillip, et al. The Third Planet: People Using the Earth. Macmillan [u.a, 1973.