APA (7th ed.) Citation

Firth, R. J. (1982). Viewdata systems: A practical viewdata guide. National Computing Centre.

Chicago Style (17th ed.) Citation

Firth, R. J. Viewdata Systems: A Practical Viewdata Guide. Manchester: National Computing Centre, 1982.

MLA (9th ed.) Citation

Firth, R. J. Viewdata Systems: A Practical Viewdata Guide. National Computing Centre, 1982.

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