APA (7th ed.) Citation

U.S. Customs Service. (1979). Foreign trade zones: U.S. customs procedures and requirements. Treasury Dept., Customs Service.

Chicago Style (17th ed.) Citation

U.S. Customs Service. Foreign Trade Zones: U.S. Customs Procedures and Requirements. Washington: Treasury Dept., Customs Service, 1979.

MLA (9th ed.) Citation

U.S. Customs Service. Foreign Trade Zones: U.S. Customs Procedures and Requirements. Treasury Dept., Customs Service, 1979.