APA (7th ed.) Citation

Firth, R. J. (1982). Viewdata systems: A practical evaluation guide. NCC Publ.

Chicago Style (17th ed.) Citation

Firth, R. J. Viewdata Systems: A Practical Evaluation Guide. Manchester: NCC Publ, 1982.

MLA (9th ed.) Citation

Firth, R. J. Viewdata Systems: A Practical Evaluation Guide. NCC Publ, 1982.

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