Cita APA (7th ed.)

Hughes, M. D., Kroehler, C. J., & Vander Zanden, J. W. (2009). Sociology: The core (9th, international ed.). McGraw-Hill.

Cita Chicago (17th ed.)

Hughes, Michael D., Carolyn J. Kroehler, i James Wilfrid Vander Zanden. Sociology: The Core. 9th, international ed. Boston: McGraw-Hill, 2009.

Cita MLA (9th ed.)

Hughes, Michael D., et al. Sociology: The Core. 9th, international ed. McGraw-Hill, 2009.