APA (7th ed.) Citation

Flynn, L., Hahn, D., & Reuben Susan. (2004). The ultimate book guide: Over 600 great books for 8-12s. A & C Black.

Chicago Style (17th ed.) Citation

Flynn, Leonie, Daniel Hahn, and Reuben Susan. The Ultimate Book Guide: Over 600 Great Books for 8-12s. London: A & C Black, 2004.

MLA (9th ed.) Citation

Flynn, Leonie, et al. The Ultimate Book Guide: Over 600 Great Books for 8-12s. A & C Black, 2004.