Cita APA (7a ed.)

Johnston, L. D., O'Malley, P. M., & Bachman, J. G. (19). Monitoring the future: National survey results on drug use, 1975 - 2000. U.S. Department of Health and Human Services.

Cita Chicago Style (17a ed.)

Johnston, Lloyd D., Patrick M. O'Malley, y Jerald G. Bachman. Monitoring the Future: National Survey Results on Drug Use, 1975 - 2000. Bethesda, Md: U.S. Department of Health and Human Services, 19.

Cita MLA (9a ed.)

Johnston, Lloyd D., et al. Monitoring the Future: National Survey Results on Drug Use, 1975 - 2000. U.S. Department of Health and Human Services, 19.