APA (7th ed.) Citation

Benjamin, A., & McCallum, B. (2008). A world without bees. Guardian Books.

Chicago Style (17th ed.) Citation

Benjamin, Alison, and Brian McCallum. A World Without Bees. London: Guardian Books, 2008.

MLA (9th ed.) Citation

Benjamin, Alison, and Brian McCallum. A World Without Bees. Guardian Books, 2008.