APA (7th ed.) Citation

Gardner, A. D. (1931). Microbes and ultramicrobes: An account of bacteria, viruses and the bacteriophage. Methuen.

Chicago Style (17th ed.) Citation

Gardner, Arthur Duncan. Microbes and Ultramicrobes: An Account of Bacteria, Viruses and the Bacteriophage. Lond.: Methuen, 1931.

MLA (8th ed.) Citation

Gardner, Arthur Duncan. Microbes and Ultramicrobes: An Account of Bacteria, Viruses and the Bacteriophage. Methuen, 1931.