APA (7th ed.) Citation

Burk, G., & Smith?, R. (2020). Who is the doctor 2: The unofficial guide to Doctor Who, the modern series. ECW Press.

Chicago Style (17th ed.) Citation

Burk, Graeme, and Robert Smith?. Who Is the Doctor 2: The Unofficial Guide to Doctor Who, the Modern Series. Toronto: ECW Press, 2020.

MLA (9th ed.) Citation

Burk, Graeme, and Robert Smith?. Who Is the Doctor 2: The Unofficial Guide to Doctor Who, the Modern Series. ECW Press, 2020.

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