APA (7th ed.) Citation

Feltwell, J. (1986). The natural history of butterflies (1. print.). Facts on File Publ.

Chicago Style (17th ed.) Citation

Feltwell, John. The Natural History of Butterflies. 1. print. New York, NY u. a: Facts on File Publ, 1986.

MLA (9th ed.) Citation

Feltwell, John. The Natural History of Butterflies. 1. print. Facts on File Publ, 1986.