APA (7th ed.) Citation

Spencer, D. D. (1978). Visual masters for teaching about computers. Camelot.

Chicago Style (17th ed.) Citation

Spencer, Donald D. Visual Masters for Teaching About Computers. Ormond Beach, Fla.: Camelot, 1978.

MLA (9th ed.) Citation

Spencer, Donald D. Visual Masters for Teaching About Computers. Camelot, 1978.