Male prostitutes and safe sex: different settings, different risks.

MLA

de Graaf, R., et al. “Male Prostitutes and Safe Sex: Different Settings, Different Risks.” AIDS Care, vol. 6, no. 3, 1994, pp. 277–88. EBSCOhost, https://doi.org/10.1080/09540129408258640.

APA

de Graaf, R., Vanwesenbeeck, I., van Zessen, G., Straver, C. J., & Visser, J. H. (1994). Male prostitutes and safe sex: different settings, different risks. AIDS Care, 6(3), 277–288. https://doi.org/10.1080/09540129408258640

Chicago

de Graaf, R, I Vanwesenbeeck, G van Zessen, C J Straver, and J H Visser. 1994. “Male Prostitutes and Safe Sex: Different Settings, Different Risks.” AIDS Care 6 (3): 277–88. doi:10.1080/09540129408258640.