Cita APA (7a ed.)
CRISP, B., & ET AL. (1994). PREDICTORS OF UNSAFE INJECTING DRUG USE.
Cita Chicago Style (17a ed.)
CRISP, B.R, y ET AL. PREDICTORS OF UNSAFE INJECTING DRUG USE. 1994.
Cita MLA (9a ed.)
CRISP, B.R, y ET AL. PREDICTORS OF UNSAFE INJECTING DRUG USE. 1994.
Precaución: Estas citas no son 100% exactas.