APA Alıntı

Vega, W. A., Zimmerman, R. S., Warheit, G. J., Apospori, E., & Gil, A. G. (1993). Risk factors for early adolescent drug use in four ethnic and racial groups.

Chicago Stili Alıntı

Vega, W A., R S. Zimmerman, G J. Warheit, E. Apospori, ve A G. Gil. Risk Factors for Early Adolescent Drug Use in Four Ethnic and Racial Groups. 1993.

MLA Alıntı

Vega, W A., et al. Risk Factors for Early Adolescent Drug Use in Four Ethnic and Racial Groups. 1993.