APA (7th ed.) Citation

O'Connell, S. (2004). Sugar: The grass that changed the world. Virgin.

Chicago Style (17th ed.) Citation

O'Connell, Sanjida. Sugar: The Grass That Changed the World. London: Virgin, 2004.

MLA (9th ed.) Citation

O'Connell, Sanjida. Sugar: The Grass That Changed the World. Virgin, 2004.