APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Heyel, Carl. Computers, Office Machines, and the New Information Technology. London: Collier-Macmillan, 1969.

MLA (9th ed.) Citation

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

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