Cita APA (7th ed.)

Miller, B. C., & Card, J. J. (1992). Preventing adolescent pregnancy: Model programs and evaluations. Sage.

Cita Chicago (17th ed.)

Miller, Brent C., i Josefina J. Card. Preventing Adolescent Pregnancy: Model Programs and Evaluations. London: Sage, 1992.

Cita MLA (9th ed.)

Miller, Brent C., i Josefina J. Card. Preventing Adolescent Pregnancy: Model Programs and Evaluations. Sage, 1992.