APA (7th ed.) Citation

Collis, C. (2010). KATY PERRY. Entertainment Weekly, 1110/1111, 84.

Chicago Style (17th ed.) Citation

Collis, Clark. "KATY PERRY." Entertainment Weekly 1110/1111 (2010): 84.

MLA (9th ed.) Citation

Collis, Clark. "KATY PERRY." Entertainment Weekly, 1110/1111, 2010, p. 84.

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