APA

Partt L., Tudor A. & Wray Z. (2007). Volcanoes. London: Usborne.

Chicago

Partt Leonie, Tudor Andy and Wray Zoe. 2007. Volcanoes. London: Usborne.

Harvard

Partt L., Tudor A. and Wray Z. (2007). Volcanoes. London: Usborne.

MLA

Partt Leonie, Tudor Andy and Wray Zoe. Volcanoes. London: Usborne. 2007.