Cita APA (7a ed.)

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).

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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