Style de citation APA (7e éd.)

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

Style de citation Chicago (17e éd.)

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

Style de citation MLA (9e éd.)

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