APA (7th ed.) Citation

Benton, T., & Bernhard, T. (2006). The easy butterfly guide. Aurem Press Ltd.

Chicago Style (17th ed.) Citation

Benton, Ted, and Tim Bernhard. The Easy Butterfly Guide. London: Aurem Press Ltd, 2006.

MLA (9th ed.) Citation

Benton, Ted, and Tim Bernhard. The Easy Butterfly Guide. Aurem Press Ltd, 2006.