Queen (Musical group). (2011). Sheer heart attack (2011 Digital remaster.). Hollywood Records, Inc..
Cita Chicago Style (17a ed.)Queen (Musical group). Sheer Heart Attack. 2011 Digital remaster. Burbank, CA: Hollywood Records, Inc., 2011.
Cita MLA (8a ed.)Queen (Musical group). Sheer Heart Attack. 2011 Digital remaster. Hollywood Records, Inc., 2011.
Precaución: Estas citas no son 100% exactas.