APA (7th ed.) Citation
Rigby, M. (1981). Automation and the UDC 1948-1980. Fédération internationale de documentation.
Chicago Style (17th ed.) Citation
Rigby, Malcolm. Automation and the UDC 1948-1980. The Hague: Fédération internationale de documentation, 1981.
MLA (9th ed.) Citation
Rigby, Malcolm. Automation and the UDC 1948-1980. Fédération internationale de documentation, 1981.
Warning: These citations may not always be 100% accurate.