Stiles, F. G., Skutch, A. F., & Gardner, D. (1989). A guide to the birds of Costa Rica. New York: Cornell University Press.
Chicago Style CitationStiles, F. Gary, Alexander Frank Skutch, and Dana Gardner. A Guide to the Birds of Costa Rica. New York: Cornell University Press, 1989.
MLA CitationStiles, F. Gary, Alexander Frank Skutch, and Dana Gardner. A Guide to the Birds of Costa Rica. New York: Cornell University Press, 1989.
Warning: These citations may not always be 100% accurate.