APA (7th ed.) Citation

Rijsbergen, C. J. v. (1979). Information retrieval (2. ed.). Butterworths.

Chicago Style (17th ed.) Citation

Rijsbergen, Cornelis J. van. Information Retrieval. 2. ed. London [u.a.]: Butterworths, 1979.

MLA (9th ed.) Citation

Rijsbergen, Cornelis J. van. Information Retrieval. 2. ed. Butterworths, 1979.