The U.S. Customs Service :
a bicentennial history /
Carl E. Prince and Mollie Keller.

APA Citation

Prince, C. E., Keller, M. (1989). The U.S. Customs Service: a bicentennial history. Washington, D.C.: Dept. of the Treasury, U.S. Customs Service .

MLA Citation

Prince, Carl E, and Mollie Keller. The U.S. Customs Service: a Bicentennial History. Washington, D.C.: Dept. of the Treasury, U.S. Customs Service , 1989.

Warning: These citations may not always be complete (especially for serials).