Cita APA

Johnson, E. M., & Delgado, J. L. (1989). Reaching Hispanics with messages to prevent alcohol and other drug abuse.

Citación estilo Chicago

Johnson, E M., y J L. Delgado. Reaching Hispanics With Messages to Prevent Alcohol and Other Drug Abuse. 1989.

Cita MLA

Johnson, E M., y J L. Delgado. Reaching Hispanics With Messages to Prevent Alcohol and Other Drug Abuse. 1989.