APA (7th ed.) Citation

Atwater, E., Forster, K., & Prybyla, J. S. (1967). World tensions: Conflict and accommodation. Appleton-Century-Crofts.

Chicago Style (17th ed.) Citation

Atwater, Elton, Kent Forster, and Jan S. Prybyla. World Tensions: Conflict and Accommodation. New York: Appleton-Century-Crofts, 1967.

MLA (9th ed.) Citation

Atwater, Elton, et al. World Tensions: Conflict and Accommodation. Appleton-Century-Crofts, 1967.