APA Style

Breed, R, S, E, A. (1957). Bergey's Manual of Determinative Bacteriology (seventh edition). United States of America: The Williams & Wilkins Company.

MLA Style

Breed, Robert, S.,, Et, All.. "Bergey's Manual of Determinative Bacteriology". seventh edition United States of America: The Williams & Wilkins Company, 1957. Text.