Cita APA (7a ed.)

Vega, W. A., & Gil, A. G. (1998). Drug use and ethnicity in early adolescence. Plenum.

Cita Chicago Style (17a ed.)

Vega, William A., y Andres G. Gil. Drug Use and Ethnicity in Early Adolescence. New York [u.a.]: Plenum, 1998.

Cita MLA (8a ed.)

Vega, William A., y Andres G. Gil. Drug Use and Ethnicity in Early Adolescence. Plenum, 1998.