Cita APA (7a ed.)

Johnston, L. D., Bachman, J. G., & O'Malley, P. M. (1979). Drugs and the class of '78: Behaviors, attitudes, and recent national trends. DHEW publication / ADM.

Cita Chicago Style (17a ed.)

Johnston, Lloyd D., Jerald G. Bachman, y Patrick M. O'Malley. "Drugs and the Class of '78: Behaviors, Attitudes, and Recent National Trends." DHEW Publication / ADM 1979.

Cita MLA (9a ed.)

Johnston, Lloyd D., et al. "Drugs and the Class of '78: Behaviors, Attitudes, and Recent National Trends." DHEW Publication / ADM, 1979.