Cita APA (7a ed.)

Friedman, A. S. (1995). Gender differences in early life risk factors for substance use / abuse: A study of an african-american sample. American journal of drug and alcohol abuse, 21(4), 511-531.

Cita Chicago Style (17a ed.)

Friedman, A. S. "Gender Differences in Early Life Risk Factors for Substance Use / Abuse: A Study of an African-american Sample." American Journal of Drug and Alcohol Abuse 21, no. 4 (1995): 511-531.

Cita MLA (8a ed.)

Friedman, A. S. "Gender Differences in Early Life Risk Factors for Substance Use / Abuse: A Study of an African-american Sample." American Journal of Drug and Alcohol Abuse, vol. 21, no. 4, 1995, pp. 511-531.