APA (7th ed.) Citation

Richards, J. (2015). Doctor Who: The time lord letters. Harper Design.

Chicago Style (17th ed.) Citation

Richards, Justin. Doctor Who: The Time Lord Letters. New York: Harper Design, 2015.

MLA (9th ed.) Citation

Richards, Justin. Doctor Who: The Time Lord Letters. Harper Design, 2015.

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