APA (7th ed.) Citation

Heyel, C. (1969). Computers, office machines, and the new information technology. Macmillan.

Chicago Style (17th ed.) Citation

Heyel, Carl. Computers, Office Machines, and the New Information Technology. New York: Macmillan, 1969.

MLA (9th ed.) Citation

Heyel, Carl. Computers, Office Machines, and the New Information Technology. Macmillan, 1969.

Warning: These citations may not always be 100% accurate.