APA (7th ed.) Citation

United States. Bureau of Narcotics. (1937). Traffic in opium and other dangerous drugs. [s.n.].

Chicago Style (17th ed.) Citation

United States. Bureau of Narcotics. Traffic in Opium and Other Dangerous Drugs. [Washington]: [s.n.], 1937.

MLA (9th ed.) Citation

United States. Bureau of Narcotics. Traffic in Opium and Other Dangerous Drugs. [s.n.], 1937.