Citazione APA

Ballard, C., Gubbay, J., & Middleton, C. (1997). Students companion to sociology. Blackwell.

Stile di citazione Chicago

Ballard, Chet, Jon Gubbay, e Chris Middleton. Students Companion to Sociology. U.S.A: Blackwell, 1997.

Citazione MLA

Ballard, Chet, et al. Students Companion to Sociology. Blackwell, 1997.