APA (7th ed.) Citation

Jennings, H. S. (1920). Life and death, heredity and evolution in unicellular organisms. R. G. Badger.

Chicago Style (17th ed.) Citation

Jennings, H. S. Life and Death, Heredity and Evolution in Unicellular Organisms. Boston: R. G. Badger, 1920.

MLA (9th ed.) Citation

Jennings, H. S. Life and Death, Heredity and Evolution in Unicellular Organisms. R. G. Badger, 1920.