APA

Staley J., Bryant M., Holt J. & Pfennig N. (1989). Bergey's : manual of systematic bacteriology. Baltimore: Williams & Wilkins.

Chicago

Staley James, Bryant M, Holt John and Pfennig N. 1989. Bergey's : manual of systematic bacteriology. Baltimore: Williams & Wilkins.

Harvard

Staley J., Bryant M., Holt J. and Pfennig N. (1989). Bergey's : manual of systematic bacteriology. Baltimore: Williams & Wilkins.

MLA

Staley James, Bryant M, Holt John and Pfennig N. Bergey's : manual of systematic bacteriology. Baltimore: Williams & Wilkins. 1989.