APA (7th ed.) Citation

FELTWELL, J. (1986). The natural history of butterflies. Facts on file pub.

Chicago Style (17th ed.) Citation

FELTWELL, John. The Natural History of Butterflies. New York: Facts on file pub, 1986.

MLA (9th ed.) Citation

FELTWELL, John. The Natural History of Butterflies. Facts on file pub, 1986.