APA (7th ed.) Citation

Benjamin, A., & McCallum, B. (2009). A world without bees. Guardianbooks.

Chicago Style (17th ed.) Citation

Benjamin, Alison, and Brian McCallum. A World Without Bees. London: Guardianbooks, 2009.

MLA (9th ed.) Citation

Benjamin, Alison, and Brian McCallum. A World Without Bees. Guardianbooks, 2009.

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