APA (7th ed.) Citation

Phillips, W. ., & Cogan, B.. (2009). Encyclopedia of heavy metal music [. Greenwood.

Chicago Style (17th ed.) Citation

Phillips, William , and Brian Cogan. Encyclopedia of Heavy Metal Music [. Westport, Conn.;London: Greenwood, 2009.

MLA (9th ed.) Citation

Phillips, William , and Brian Cogan. Encyclopedia of Heavy Metal Music [. Greenwood, 2009.