APA (7th ed.) Citation

United States. Bureau of the Census. (1991). U.S. imports & exports: Information now available on compact disks for use on your personal computer. U.S. Dept. of Commerce, Bureau of the Census.

Chicago Style (17th ed.) Citation

United States. Bureau of the Census. U.S. Imports & Exports: Information Now Available on Compact Disks for Use on Your Personal Computer. [Washington, DC]: U.S. Dept. of Commerce, Bureau of the Census, 1991.

MLA (9th ed.) Citation

United States. Bureau of the Census. U.S. Imports & Exports: Information Now Available on Compact Disks for Use on Your Personal Computer. U.S. Dept. of Commerce, Bureau of the Census, 1991.