APA (7th ed.) Citation

Eminem, Dr. Dre, & 50 Cent. (2009). Relapse. Aftermath/Interscope.

Chicago Style (17th ed.) Citation

Eminem, Dr. Dre, and 50 Cent. Relapse. Santa Monica, CA.: Aftermath/Interscope, 2009.

MLA (9th ed.) Citation

Eminem, et al. Relapse. Aftermath/Interscope, 2009.