APA (7th ed.) Citation

Billings, F. H., Sherwood, N. P., & Clawson, B. J. (1942). Laboratory exercises in bacteriology and diagnostic methods (6th ed., rev.). World.

Chicago Style (17th ed.) Citation

Billings, Frederick Horatio, Noble P. Sherwood, and B. J. Clawson. Laboratory Exercises in Bacteriology and Diagnostic Methods. 6th ed., rev. Lawrence, Kan.: World, 1942.

MLA (9th ed.) Citation

Billings, Frederick Horatio, et al. Laboratory Exercises in Bacteriology and Diagnostic Methods. 6th ed., rev. World, 1942.