APA

Davidson H. A., Loken G. A., National Center for Missing & Exploited Children (U.S.), Covenant House New York N., National Legal Resource Center for Child Advocacy and Protection (U.S.) & United States. (1987). Child pornography and prostitution: background and legal analysis. Washington, D.C: National Center for Missing & Exploited Children.

Chicago

Davidson Howard A, Loken Gregory A, National Center for Missing & Exploited Children (U.S.), Covenant House New York N.Y, National Legal Resource Center for Child Advocacy and Protection (U.S.) and United States. 1987. Child pornography and prostitution: background and legal analysis. Washington, D.C: National Center for Missing & Exploited Children.

Harvard

Davidson H. A., Loken G. A., National Center for Missing & Exploited Children (U.S.), Covenant House New York N., National Legal Resource Center for Child Advocacy and Protection (U.S.) and United States. (1987). Child pornography and prostitution: background and legal analysis. Washington, D.C: National Center for Missing & Exploited Children.

MLA

Davidson Howard A, Loken Gregory A, National Center for Missing & Exploited Children (U.S.), Covenant House New York N.Y, National Legal Resource Center for Child Advocacy and Protection (U.S.) and United States. Child pornography and prostitution: background and legal analysis. Washington, D.C: National Center for Missing & Exploited Children. 1987.