APA (7th ed.) Citation

National Computing Centre & Mumford, E. (1971). Economic evaluation of computer based systems / Enid Mumford. National Computing Centre.

Chicago Style (17th ed.) Citation

National Computing Centre and Enid Mumford. Economic Evaluation of Computer Based Systems / Enid Mumford. Manchester: National Computing Centre, 1971.

MLA (9th ed.) Citation

National Computing Centre and Enid Mumford. Economic Evaluation of Computer Based Systems / Enid Mumford. National Computing Centre, 1971.

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