APA

Turnbull S., Haggerty T. & Wray Z. (2007). Why do we Eat?. London: Usborne.

Chicago

Turnbull Stephanie, Haggerty Tim and Wray Zoe. 2007. Why do we Eat?. London: Usborne.

Harvard

Turnbull S., Haggerty T. and Wray Z. (2007). Why do we Eat?. London: Usborne.

MLA

Turnbull Stephanie, Haggerty Tim and Wray Zoe. Why do we Eat?. London: Usborne. 2007.