APA (7th ed.) Citation

Hunt, L. G. (1974). Recent spread of heroin use in the United States: Unanswered questions. Monograph series.

Chicago Style (17th ed.) Citation

Hunt, Leon G. "Recent Spread of Heroin Use in the United States: Unanswered Questions." Monograph Series 1974.

MLA (9th ed.) Citation

Hunt, Leon G. "Recent Spread of Heroin Use in the United States: Unanswered Questions." Monograph Series, 1974.

Warning: These citations may not always be 100% accurate.