APA (7th ed.) Citation

Ellis, D. (1996). Progress and problems in information retrieval (2nd edition.). Library Association.

Chicago Style (17th ed.) Citation

Ellis, David. Progress and Problems in Information Retrieval. 2nd edition. London: Library Association, 1996.

MLA (8th ed.) Citation

Ellis, David. Progress and Problems in Information Retrieval. 2nd edition. Library Association, 1996.

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