APA (7th ed.) Citation

Morris, M., Epstein, H., & Wawer, M. (2010). Timing is everything: International variations in historical sexual partnership concurrency and HIV prevalence. Public Library of Science (PLoS).

Chicago Style (17th ed.) Citation

Morris, Martina, Helen Epstein, and Maria Wawer. Timing Is Everything: International Variations in Historical Sexual Partnership Concurrency and HIV Prevalence. Public Library of Science (PLoS), 2010.

MLA (8th ed.) Citation

Morris, Martina, et al. Timing Is Everything: International Variations in Historical Sexual Partnership Concurrency and HIV Prevalence. Public Library of Science (PLoS), 2010.

Warning: These citations may not always be 100% accurate.