Cita APA (7a ed.)

Perkins, W. M., & MacMurtrie-Perkins, N. (1987). Raising drug-free kids in a drug-filled world. Harper/Hazelden.

Cita Chicago Style (17a ed.)

Perkins, William M., y Nancy MacMurtrie-Perkins. Raising Drug-free Kids in a Drug-filled World. New York [u.a.]: Harper/Hazelden, 1987.

Cita MLA (8a ed.)

Perkins, William M., y Nancy MacMurtrie-Perkins. Raising Drug-free Kids in a Drug-filled World. Harper/Hazelden, 1987.