APA (7th ed.) Citation

Sharp, J. R. (1968). Some fundamentals of information retrieval ([2nd impression].). Andre Deutsch.

Chicago Style (17th ed.) Citation

Sharp, John R. Some Fundamentals of Information Retrieval. [2nd impression]. London: Andre Deutsch, 1968.

MLA (9th ed.) Citation

Sharp, John R. Some Fundamentals of Information Retrieval. [2nd impression]. Andre Deutsch, 1968.

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