APA (7th ed.) Citation

Russell Punter, Christyan Fox, & Katie Daynes. (2011). The story of chocolate. Usborne.

Chicago Style (17th ed.) Citation

Russell Punter, Christyan Fox, and Katie Daynes. The Story of Chocolate. London: Usborne, 2011.

MLA (9th ed.) Citation

Russell Punter, et al. The Story of Chocolate. Usborne, 2011.