Cita APA (7a ed.)

Hofferth, S. L. (1987). Premarital sexual activity among U.S. teenage women over the past three decades. Family planning perspectives, 19(2), 46-53.

Cita Chicago Style (17a ed.)

Hofferth, Sandra L. "Premarital Sexual Activity Among U.S. Teenage Women over the Past Three Decades." Family Planning Perspectives 19, no. 2 (1987): 46-53.

Cita MLA (9a ed.)

Hofferth, Sandra L. "Premarital Sexual Activity Among U.S. Teenage Women over the Past Three Decades." Family Planning Perspectives, vol. 19, no. 2, 1987, pp. 46-53.