Cita APA

Chesson, H. W., Collins, D., & Koski, K. (2008). Formulas for estimating the costs averted by sexually transmitted infection (STI) prevention programs in the United States. BioMed Central.

Chicago Style Citation

Chesson, Harrell W., Dayne Collins, i Kathryn Koski. Formulas for Estimating the Costs Averted By Sexually Transmitted Infection (STI) Prevention Programs in the United States. BioMed Central, 2008.

Cita MLA

Chesson, Harrell W., Dayne Collins, i Kathryn Koski. Formulas for Estimating the Costs Averted By Sexually Transmitted Infection (STI) Prevention Programs in the United States. BioMed Central, 2008.