Cita APA (7th ed.)

Ritzer, G., & Goodman, D. (2004). Sociology theory (6th ed.). McGraw - Hill.

Cita Chicago (17th ed.)

Ritzer, George, i Douglas Goodman. Sociology Theory. 6th ed. Boston: McGraw - Hill, 2004.

Cita MLA (9th ed.)

Ritzer, George, i Douglas Goodman. Sociology Theory. 6th ed. McGraw - Hill, 2004.