APA (7th ed.) Citation

Shapiro, T. M. (1979). Changing patterns of marijuana use in a generation of users. Univ. Microfilms Internat.

Chicago Style (17th ed.) Citation

Shapiro, Thomas M. Changing Patterns of Marijuana Use in a Generation of Users. Ann Arbor, Mich: Univ. Microfilms Internat, 1979.

MLA (9th ed.) Citation

Shapiro, Thomas M. Changing Patterns of Marijuana Use in a Generation of Users. Univ. Microfilms Internat, 1979.