Citazione Stile APA (7a Edizione)

Johnson, W. H. (1962). This is life: Essays in modern biology. Holt, Rinehart and Winston.

Citazione stile Chigago Style (17a edizione)

Johnson, Willis H. This Is Life: Essays in Modern Biology. New York: Holt, Rinehart and Winston, 1962.

Citatione MLA (9a ed.)

Johnson, Willis H. This Is Life: Essays in Modern Biology. Holt, Rinehart and Winston, 1962.