APA (7th ed.) Citation

Sharp, J. R. (1965). Some fundamentals of information retrieval. London House & Maxwell.

Chicago Style (17th ed.) Citation

Sharp, J. R. Some Fundamentals of Information Retrieval. New York: London House & Maxwell, 1965.

MLA (8th ed.) Citation

Sharp, J. R. Some Fundamentals of Information Retrieval. London House & Maxwell, 1965.

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