Cita APA

Hayes, M. P., Pounds, J. A., & Timmerman, W. (1989). An annotated list and guide to the amphibians and reptiles of Monteverde, Costa Rica. Texas: The University of Texas at Tyler.

Citación estilo Chicago

Hayes, Marc P., J. Alan Pounds, y Walter Timmerman. An Annotated List and Guide to the Amphibians and Reptiles of Monteverde, Costa Rica. Texas: The University of Texas at Tyler, 1989.

Cita MLA

Hayes, Marc P., J. Alan Pounds, y Walter Timmerman. An Annotated List and Guide to the Amphibians and Reptiles of Monteverde, Costa Rica. Texas: The University of Texas at Tyler, 1989.