Cita APA (7a ed.)
Herold, J. M., Monterroso, E., Morris, L., Castellanos, G., Conde, A., & Spitz, A. Sexual experience and contraceptive use among young adults in Guatemala city.
Cita Chicago Style (17a ed.)
Herold, Joan M., Eugenia Monterroso, Leo Morris, Gustavo Castellanos, Alvaro Conde, y Alison Spitz. Sexual Experience and Contraceptive Use Among Young Adults in Guatemala City.
Cita MLA (9a ed.)
Herold, Joan M., et al. Sexual Experience and Contraceptive Use Among Young Adults in Guatemala City.
Precaución: Estas citas no son 100% exactas.