Cita APA (7a ed.)
AD, C., DL, H., SJ, A., E, A., K, W., & BG, S. (Jan/Feb99). Pregnancy among urban African-American teens: Ambivalence about prevention. American Journal of Health Behavior, 23(1), 32-43.
Cita Chicago Style (17a ed.)
AD, Crump, Haynie DL, Aarons SJ, Adair E, Woodward K, y Simons-Morton BG. "Pregnancy Among Urban African-American Teens: Ambivalence About Prevention." American Journal of Health Behavior 23, no. 1 (Jan/Feb99): 32-43.
Cita MLA (9a ed.)
AD, Crump, et al. "Pregnancy Among Urban African-American Teens: Ambivalence About Prevention." American Journal of Health Behavior, vol. 23, no. 1, Jan/Feb99, pp. 32-43.
Precaución: Estas citas no son 100% exactas.