APA (7th ed.) Citation

Kowalski, G. Information Retrieval Systems: Theory and Implementation. Kluwer Academic Publishers.

Chicago Style (17th ed.) Citation

Kowalski, Gerald. Information Retrieval Systems: Theory and Implementation. Boston: Kluwer Academic Publishers.

MLA (8th ed.) Citation

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

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