APA (7th ed.) Citation

Van Rijsbergen, C. J. (1975). Information retrieval. Butterworths.

Chicago Style (17th ed.) Citation

Van Rijsbergen, C. J. Information Retrieval. London ; Boston: Butterworths, 1975.

MLA (8th ed.) Citation

Van Rijsbergen, C. J. Information Retrieval. Butterworths, 1975.

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