Cita APA

National Research Council (U.S.). Panel on Adolescent Pregnancy and Childbearing, ebrary, Inc, & Hayes, C. D. (1987). Risking the future: Adolescent sexuality, pregnancy, and childbearing. National Academy Press.

Citación estilo Chicago

National Research Council (U.S.). Panel on Adolescent Pregnancy and Childbearing, Inc ebrary, and Cheryl D. Hayes. Risking the Future: Adolescent Sexuality, Pregnancy, and Childbearing. Washington, D.C.: National Academy Press, 1987.

Cita MLA

National Research Council (U.S.). Panel on Adolescent Pregnancy and Childbearing, et al. Risking the Future: Adolescent Sexuality, Pregnancy, and Childbearing. National Academy Press, 1987.