APA Format
Ritzer, George
. (2005). Encyclopedia of social theory
. California : Sage
MLA Format
Ritzer, George
. Encyclopedia of social theory
. California : Sage, 2005
Chicago Format
Ritzer, George
. Encyclopedia of social theory
. California : Sage, 2005
Australian/Harvard Format
Ritzer, George
. 2005. Encyclopedia of social theory
. Sage California