Cita APA (7th ed.)

Skutch, A. F. (1971). A naturalist in Costa Rica. University of Florida Press.

Cita Chicago (17th ed.)

Skutch, Alexander F. A Naturalist in Costa Rica. Gainesville: University of Florida Press, 1971.

Cita MLA (8th ed.)

Skutch, Alexander F. A Naturalist in Costa Rica. University of Florida Press, 1971.