Cita APA (7a ed.)

Howitt, D., & Cumberbatch, G. (1990). Pornography: Impacts and influences; a review of the available research evidence on the effects of pornography. Home Office Research and Planning Unit.

Cita Chicago Style (17a ed.)

Howitt, Dennis, y Guy Cumberbatch. Pornography: Impacts and Influences; a Review of the Available Research Evidence on the Effects of Pornography. [London]: Home Office Research and Planning Unit, 1990.

Cita MLA (9a ed.)

Howitt, Dennis, y Guy Cumberbatch. Pornography: Impacts and Influences; a Review of the Available Research Evidence on the Effects of Pornography. Home Office Research and Planning Unit, 1990.