APA (7th ed.) Citation

Williams and Wilkins, Holt, J. G., & Krieg, N. R. (1984). Systematic bacteriology. Williams and Wilkins.

Chicago Style (17th ed.) Citation

Williams and Wilkins, John G. Holt, and Noel R. Krieg. Systematic Bacteriology. Baltimore: Williams and Wilkins, 1984.

MLA (8th ed.) Citation

Williams and Wilkins, et al. Systematic Bacteriology. Williams and Wilkins, 1984.