APA (7th ed.) Citation

Chapin, N. (1971). Computers: A systems approach. Van Nostrand.

Chicago Style (17th ed.) Citation

Chapin, Ned. Computers: A Systems Approach. New York: Van Nostrand, 1971.

MLA (9th ed.) Citation

Chapin, Ned. Computers: A Systems Approach. Van Nostrand, 1971.