APA (7th ed.) Citation

Harter, S. P. (1986). Online information retrieval: Concepts, principles, and techniques. Academic Press.

Chicago Style (17th ed.) Citation

Harter, Stephen P. Online Information Retrieval: Concepts, Principles, and Techniques. Orlando: Academic Press, 1986.

MLA (9th ed.) Citation

Harter, Stephen P. Online Information Retrieval: Concepts, Principles, and Techniques. Academic Press, 1986.

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