Citazione Stile APA (7a Edizione)

Hughes, M., & Kroehler, C. J. (2009). Sociology: The core (9th ed.). McGraw Hill/Higher Education.

Citazione stile Chigago Style (17a edizione)

Hughes, Michael, e Carolyn J. Kroehler. Sociology: The Core. 9th ed. Boston: McGraw Hill/Higher Education, 2009.

Citatione MLA (9a ed.)

Hughes, Michael, e Carolyn J. Kroehler. Sociology: The Core. 9th ed. McGraw Hill/Higher Education, 2009.