APA (7th ed.) Citation

Holmes, D., & Solomon, T. (1971). Drug use in matched groups of hippies and non hippies. Center for Community Research.

Chicago Style (17th ed.) Citation

Holmes, Douglas, and Theo Solomon. Drug Use in Matched Groups of Hippies and Non Hippies. New York: Center for Community Research, 1971.

MLA (9th ed.) Citation

Holmes, Douglas, and Theo Solomon. Drug Use in Matched Groups of Hippies and Non Hippies. Center for Community Research, 1971.