Cita APA (7a ed.)

Flewelling, R. L., & Bauman, K. E. (1990). Family structure as a predictor of initial substance use and sexual intercourse in early adolescence. Journal of marriage and family, 52(1), 171-182.

Cita Chicago Style (17a ed.)

Flewelling, Robert L., y Karl E. Bauman. "Family Structure as a Predictor of Initial Substance Use and Sexual Intercourse in Early Adolescence." Journal of Marriage and Family 52, no. 1 (1990): 171-182.

Cita MLA (9a ed.)

Flewelling, Robert L., y Karl E. Bauman. "Family Structure as a Predictor of Initial Substance Use and Sexual Intercourse in Early Adolescence." Journal of Marriage and Family, vol. 52, no. 1, 1990, pp. 171-182.