Cita APA

Fogden, S. C. L., Fogden, M. P. L. 1., & Fogden, P. (2010). A photographic guide to birds of Costa Rica. London: New Holland.

Citación estilo Chicago

Fogden, Susan C. L., Michael P. L. 1941- Fogden, y Patricia Fogden. A Photographic Guide to Birds of Costa Rica. London: New Holland, 2010.

Cita MLA

Fogden, Susan C. L., Michael P. L. 1941- Fogden, y Patricia Fogden. A Photographic Guide to Birds of Costa Rica. London: New Holland, 2010.