Franklin

U.S. exports history [electronic resource] : historical summary ... / Foreign Trade Division.

MLA

U.s. Exports History: Historical Summary ... Washington, DC: U.S. Dept. of Commerce, Economic and Statistics Administration, U.S. Census Bureau, 2003.

APA

(2003). U.S. exports history: historical summary ... Washington, DC: U.S. Dept. of Commerce, Economic and Statistics Administration, U.S. Census Bureau.

Chicago

U.S. Exports History: Historical Summary .... Washington, DC: U.S. Dept. of Commerce, Economic and Statistics Administration, U.S. Census Bureau, 2003.