Cita APA (7a ed.)

Pritchard,Peter C.H. and Pedro Trebbau. (1984). The turtles of Venezuela. Society for the study of Amphibians and Reptiles.

Cita Chicago Style (17a ed.)

Pritchard,Peter C.H. and Pedro Trebbau. The Turtles of Venezuela. Ithaca - EEUU: Society for the study of Amphibians and Reptiles, 1984.

Cita MLA (8a ed.)

Pritchard,Peter C.H. and Pedro Trebbau. The Turtles of Venezuela. Society for the study of Amphibians and Reptiles, 1984.