APA (7th ed.) Citation

Walsh, G. P. (1981). Opium and nacotics laws. U.S. Gov. Print. Office.

Chicago Style (17th ed.) Citation

Walsh, Gerard P. Opium and Nacotics Laws. Washington, DC: U.S. Gov. Print. Office, 1981.

MLA (8th ed.) Citation

Walsh, Gerard P. Opium and Nacotics Laws. U.S. Gov. Print. Office, 1981.