Visatex Corporation. (1989). U.S. Presidents: Facts and faces (Release 1.1.). Visatex Corporation.
Chicago Style (17th ed.) CitationVisatex Corporation. U.S. Presidents: Facts and Faces. Release 1.1. Campbell, CA: Visatex Corporation, 1989.
MLA (9th ed.) CitationVisatex Corporation. U.S. Presidents: Facts and Faces. Release 1.1. Visatex Corporation, 1989.
Warning: These citations may not always be 100% accurate.