APA Style

HIV/AIDS, U, N, P, O. (2006). High Coverage Sites:HIV Preventation among Injecting Drug users in Transitional and Developing Countries . Geneva: UNAIDS.

MLA Style

HIV/AIDS, United, National, Programme, On. "High Coverage Sites:HIV Preventation among Injecting Drug users in Transitional and Developing Countries". Geneva: UNAIDS, 2006. print.