APA (7th ed.) Citation

(1981). Information retrieval research (1. publ.). Butterworth.

Chicago Style (17th ed.) Citation

Information Retrieval Research. 1. publ. London u.a: Butterworth, 1981.

MLA (9th ed.) Citation

Information Retrieval Research. 1. publ. Butterworth, 1981.

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