Citazione Stile APA (7a Edizione)

Hawkins, G., & Zimring, F. E. (1988). Pornography in a free society. Cambridge University Press.

Citazione stile Chigago Style (17a edizione)

Hawkins, Gordon, e Franklin E. Zimring. Pornography in a Free Society. Cambridge [England]: Cambridge University Press, 1988.

Citatione MLA (9a ed.)

Hawkins, Gordon, e Franklin E. Zimring. Pornography in a Free Society. Cambridge University Press, 1988.