APA (7th ed.) Citation

WILLOUGHBY, T. C. (1975). Business systems. The Association System Management.

Chicago Style (17th ed.) Citation

WILLOUGHBY, Theodore C. Business Systems. Ohio: The Association System Management, 1975.

MLA (8th ed.) Citation

WILLOUGHBY, Theodore C. Business Systems. The Association System Management, 1975.

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