Cita APA (7a ed.)

Koester, K. A., Collins, S. P., Fuller, S. M., Galindo, G. R., Gibson, S., & Steward, W. T. (2013). Sexual healthcare preferences among gay and bisexual men: A qualitative study in San Francisco, California. Public Library of Science (PLoS).

Cita Chicago Style (17a ed.)

Koester, Kimberly A., Shane P. Collins, Shannon M. Fuller, Gabriel R. Galindo, Steven Gibson, y Wayne T. Steward. Sexual Healthcare Preferences Among Gay and Bisexual Men: A Qualitative Study in San Francisco, California. Public Library of Science (PLoS), 2013.

Cita MLA (8a ed.)

Koester, Kimberly A., et al. Sexual Healthcare Preferences Among Gay and Bisexual Men: A Qualitative Study in San Francisco, California. Public Library of Science (PLoS), 2013.