APA (7th ed.) Citation

Thomas, J., & Lewington, R. (1991). The butterflies of Britain & Ireland (1. publ.). Dorling Kindersley.

Chicago Style (17th ed.) Citation

Thomas, Jeremy, and Richard Lewington. The Butterflies of Britain & Ireland. 1. publ. London [u.a.]: Dorling Kindersley, 1991.

MLA (9th ed.) Citation

Thomas, Jeremy, and Richard Lewington. The Butterflies of Britain & Ireland. 1. publ. Dorling Kindersley, 1991.