APA (7th ed.) Citation

Johnston, L., Schulenberg, J., Bachman, J., & O'Malley, P. (2004). Demographic Subgroup Trends for Various Licit and Illicit Drugs, 1975-2003. Institute for Social Research.

Chicago Style (17th ed.) Citation

Johnston, L.D, J.E Schulenberg, J.G Bachman, and P.M O'Malley. Demographic Subgroup Trends for Various Licit and Illicit Drugs, 1975-2003. Institute for Social Research, 2004.

MLA (9th ed.) Citation

Johnston, L.D, et al. Demographic Subgroup Trends for Various Licit and Illicit Drugs, 1975-2003. Institute for Social Research, 2004.