APA (7th ed.) Citation

Kowalski, G. (1997). Information retrieval systems: Theory and implementation. Kluwer.

Chicago Style (17th ed.) Citation

Kowalski, Gerald. Information Retrieval Systems: Theory and Implementation. Boston [u.a.]: Kluwer, 1997.

MLA (9th ed.) Citation

Kowalski, Gerald. Information Retrieval Systems: Theory and Implementation. Kluwer, 1997.

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