Cita APA (7a ed.)

Johnston, L. D. (1985). Use of licit and illicit drugs by America's high school students, 1975 - 1984. DHHS publication.

Cita Chicago Style (17a ed.)

Johnston, Lloyd D. "Use of Licit and Illicit Drugs by America's High School Students, 1975 - 1984." DHHS Publication 1985.

Cita MLA (8a ed.)

Johnston, Lloyd D. "Use of Licit and Illicit Drugs by America's High School Students, 1975 - 1984." DHHS Publication, 1985.