Cita APA (7a ed.)

Stebbins, R. C. (1966). A field guide to western reptiles and amphibians: Field marks of all species in western North America. Houghton Mifflin.

Cita Chicago Style (17a ed.)

Stebbins, Robert C. A Field Guide to Western Reptiles and Amphibians: Field Marks of All Species in Western North America. Boston: Houghton Mifflin, 1966.

Cita MLA (8a ed.)

Stebbins, Robert C. A Field Guide to Western Reptiles and Amphibians: Field Marks of All Species in Western North America. Houghton Mifflin, 1966.

Precaución: Estas citas no son 100% exactas.