Citazione Stile APA (7a Edizione)

Seymour, R., & Smith, D. E. (1987). Drugfree: A unique, positive approach to staying off alcohol and other drugs. Facts on File Publications.

Citazione stile Chigago Style (17a edizione)

Seymour, Richard, e David E. Smith. Drugfree: A Unique, Positive Approach to Staying off Alcohol and Other Drugs. New York, N.Y: Facts on File Publications, 1987.

Citatione MLA (9a ed.)

Seymour, Richard, e David E. Smith. Drugfree: A Unique, Positive Approach to Staying off Alcohol and Other Drugs. Facts on File Publications, 1987.