APA (7th ed.) Citation

Richards, J. (2013). Doctor Who 50: The essential guide. BBC Children's Books.

Chicago Style (17th ed.) Citation

Richards, Justin. Doctor Who 50: The Essential Guide. London: BBC Children's Books, 2013.

MLA (8th ed.) Citation

Richards, Justin. Doctor Who 50: The Essential Guide. BBC Children's Books, 2013.

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