Harrity, A. S., & Christensen, A. B. (1987). Kids, drugs & alcohol: A parent's guide to prevention & intervention. Betterway Publ.
Cita Chicago Style (17a ed.)Harrity, Anne S., y Ann B. Christensen. Kids, Drugs & Alcohol: A Parent's Guide to Prevention & Intervention. White Hall, Va: Betterway Publ, 1987.
Cita MLA (9a ed.)Harrity, Anne S., y Ann B. Christensen. Kids, Drugs & Alcohol: A Parent's Guide to Prevention & Intervention. Betterway Publ, 1987.
Precaución: Estas citas no son 100% exactas.