Cita APA (7a ed.)

Mohr, E. V. (1963). The study of reptiles and amphibians made simple. Doubleday.

Cita Chicago Style (17a ed.)

Mohr, Eugene V. The Study of Reptiles and Amphibians Made Simple. New York: Doubleday, 1963.

Cita MLA (9a ed.)

Mohr, Eugene V. The Study of Reptiles and Amphibians Made Simple. Doubleday, 1963.