Cita APA (7a ed.)

Johnston, L. D., O'Malley, P. M., & Bachman, J. G. (1987). National trends in drug use and related factors among American high school students and young adults, 1975 - 1986. DHHS publication.

Cita Chicago Style (17a ed.)

Johnston, Lloyd D., Patrick M. O'Malley, y Jerald G. Bachman. "National Trends in Drug Use and Related Factors Among American High School Students and Young Adults, 1975 - 1986." DHHS Publication 1987.

Cita MLA (9a ed.)

Johnston, Lloyd D., et al. "National Trends in Drug Use and Related Factors Among American High School Students and Young Adults, 1975 - 1986." DHHS Publication, 1987.