Cita APA (7a ed.)

Berger, F. R., & Russell, B. (1991). Freedom, rights and pornography: A collection of papers. Philosophical studies series.

Cita Chicago Style (17a ed.)

Berger, Fred R., y Bruce Russell. "Freedom, Rights and Pornography: A Collection of Papers." Philosophical Studies Series 1991.

Cita MLA (9a ed.)

Berger, Fred R., y Bruce Russell. "Freedom, Rights and Pornography: A Collection of Papers." Philosophical Studies Series, 1991.