APA (7th ed.) Citation

Townley, H. M. (1978). Systems analysis for information retrieval. A. Deutsch in association with the Institute of Information Scientists.

Chicago Style (17th ed.) Citation

Townley, Helen M. Systems Analysis for Information Retrieval. London: A. Deutsch in association with the Institute of Information Scientists, 1978.

MLA (9th ed.) Citation

Townley, Helen M. Systems Analysis for Information Retrieval. A. Deutsch in association with the Institute of Information Scientists, 1978.

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