Cita APA

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

Citación estilo Chicago

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

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