APA (7th ed.) Citation

Smart, P. (1989). The illustrated encyclopedia of the butterfly world. Salamander Books.

Chicago Style (17th ed.) Citation

Smart, Paul. The Illustrated Encyclopedia of the Butterfly World. London: Salamander Books, 1989.

MLA (9th ed.) Citation

Smart, Paul. The Illustrated Encyclopedia of the Butterfly World. Salamander Books, 1989.

Warning: These citations may not always be 100% accurate.