Cita APA (7a ed.)

Kruif, P. d. (1926). Microbe hunters. Pocket Books.

Cita Chicago Style (17a ed.)

Kruif, Paul de. Microbe Hunters. New York: Pocket Books, 1926.

Cita MLA (9a ed.)

Kruif, Paul de. Microbe Hunters. Pocket Books, 1926.