APA (7th ed.) Citation

DeVries, P. J. (1987). The butterflies of Costa Rica and their natural history. Princeton University Press.

Chicago Style (17th ed.) Citation

DeVries, Philip J. The Butterflies of Costa Rica and Their Natural History. Princeton, N.J.: Princeton University Press, 1987.

MLA (9th ed.) Citation

DeVries, Philip J. The Butterflies of Costa Rica and Their Natural History. Princeton University Press, 1987.