APA (7th ed.) Citation

Spencer, D. D. (1989). Exploring number theory with microcomputers. Camelot Pub. Co..

Chicago Style (17th ed.) Citation

Spencer, Donald D. Exploring Number Theory with Microcomputers. Ormond Beach, Fla.: Camelot Pub. Co., 1989.

MLA (9th ed.) Citation

Spencer, Donald D. Exploring Number Theory with Microcomputers. Camelot Pub. Co., 1989.