APA (7th ed.) Citation

Koos, E. L. (1967). The Health of Regionville: What the people thought and did about it. Hafner Pub.

Chicago Style (17th ed.) Citation

Koos, Earl Lomon. The Health of Regionville: What the People Thought and Did About It. New York: Hafner Pub, 1967.

MLA (9th ed.) Citation

Koos, Earl Lomon. The Health of Regionville: What the People Thought and Did About It. Hafner Pub, 1967.