APA (7th ed.) Citation

Bourke, A., Rendall, J., & Knowles, R. (2009). Christian the lion: Based on the amazing and heartwarming true story (1st American ed.). Delacorte Press.

Chicago Style (17th ed.) Citation

Bourke, Anthony, John Rendall, and Ruth Knowles. Christian the Lion: Based on the Amazing and Heartwarming True Story. 1st American ed. New York: Delacorte Press, 2009.

MLA (8th ed.) Citation

Bourke, Anthony, et al. Christian the Lion: Based on the Amazing and Heartwarming True Story. 1st American ed. Delacorte Press, 2009.

Warning: These citations may not always be 100% accurate.