APA (7th ed.) Citation

Roberts, P. (2008). Doctor Who directed by Pennant Roberts.

Chicago Style (17th ed.) Citation

Roberts, Pennant. Doctor Who Directed by Pennant Roberts. BBC, 2008.

MLA (9th ed.) Citation

Roberts, Pennant. Doctor Who Directed by Pennant Roberts. 2008.

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