Cita APA (7a ed.)

Hawkins, J. D., & Nederhood, B. (1987). Handbook for evaluating drug and alcohol prevention programs: Staff/team evaluation of prevention programs, (STEPP). DHHS publication.

Cita Chicago Style (17a ed.)

Hawkins, J. David, y Britt Nederhood. "Handbook for Evaluating Drug and Alcohol Prevention Programs: Staff/team Evaluation of Prevention Programs, (STEPP)." DHHS Publication 1987.

Cita MLA (9a ed.)

Hawkins, J. David, y Britt Nederhood. "Handbook for Evaluating Drug and Alcohol Prevention Programs: Staff/team Evaluation of Prevention Programs, (STEPP)." DHHS Publication, 1987.