APA

Roberts G., . (2006). Doctor who, I am a Dalek. London: BBC Books.

Chicago

Roberts G, . 2006. Doctor who, I am a Dalek. London: BBC Books.

Harvard

Roberts G., . (2006). Doctor who, I am a Dalek. London: BBC Books.

MLA

Roberts G, . Doctor who, I am a Dalek. London: BBC Books. 2006.