Citazione Stile APA (7a Edizione)

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.

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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

Attenzione: Queste citazioni potrebbero non essere precise al 100%.