APA (7th ed.) Citation

Williams, W. F. (1965). Principles of automated information retrieval. Business Press.

Chicago Style (17th ed.) Citation

Williams, William F. Principles of Automated Information Retrieval. Elmhurst, Ill: Business Press, 1965.

MLA (9th ed.) Citation

Williams, William F. Principles of Automated Information Retrieval. Business Press, 1965.

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