APA (7th ed.) Citation

United States Tariff Commission. (1944). Supplement to Changes in Import Duties Since 1930, July 1, 1944. [s.n.].

Chicago Style (17th ed.) Citation

United States Tariff Commission. Supplement to Changes in Import Duties Since 1930, July 1, 1944. [Washington]: [s.n.], 1944.

MLA (9th ed.) Citation

United States Tariff Commission. Supplement to Changes in Import Duties Since 1930, July 1, 1944. [s.n.], 1944.