APA (7th ed.) Citation

De Kruif, P. H. (1954). Microbe hunters. Harcourt, Brace & World.

Chicago Style (17th ed.) Citation

De Kruif, Paul Henry. Microbe Hunters. New York: Harcourt, Brace & World, 1954.

MLA (9th ed.) Citation

De Kruif, Paul Henry. Microbe Hunters. Harcourt, Brace & World, 1954.