APA-Zitierstil (7. Ausg.)

Operario, D., Underhill, K., Chuong, C., & Cluver, L. (2011). HIV infection and sexual risk behaviour among youth who have experienced orphanhood: Systematic review and meta-analysis. BioMed Central.

Chicago-Zitierstil (17. Ausg.)

Operario, D., K. Underhill, C. Chuong, und L. Cluver. HIV Infection and Sexual Risk Behaviour Among Youth Who Have Experienced Orphanhood: Systematic Review and Meta-analysis. BioMed Central, 2011.

MLA-Zitierstil (9. Ausg.)

Operario, D., et al. HIV Infection and Sexual Risk Behaviour Among Youth Who Have Experienced Orphanhood: Systematic Review and Meta-analysis. BioMed Central, 2011.