APA (7th ed.) Citation

Ritzer, G., & Ryan, J. M. (2011). The Concise encyclopedia of sociology. Wiley-Blackwell.

Chicago Style (17th ed.) Citation

Ritzer, George, and J. Michael Ryan. The Concise Encyclopedia of Sociology. Chichester, West Sussex, Eng: Wiley-Blackwell, 2011.

MLA (9th ed.) Citation

Ritzer, George, and J. Michael Ryan. The Concise Encyclopedia of Sociology. Wiley-Blackwell, 2011.