APA (7th ed.) Citation

Smart, P. (1975). The illustrated encyclopedia of the butterfly world in color: Over 2,000 species reproduced life size. Hamlyn Publishing Group.

Chicago Style (17th ed.) Citation

Smart, Paul. The Illustrated Encyclopedia of the Butterfly World in Color: Over 2,000 Species Reproduced Life Size. London: Hamlyn Publishing Group, 1975.

MLA (9th ed.) Citation

Smart, Paul. The Illustrated Encyclopedia of the Butterfly World in Color: Over 2,000 Species Reproduced Life Size. Hamlyn Publishing Group, 1975.