APA (7th ed.) Citation

Data Processing Management Association. (1979). Guidelines to data processing management (Rev. and updated ed.). Data Processing Management Association.

Chicago Style (17th ed.) Citation

Data Processing Management Association. Guidelines to Data Processing Management. Rev. and updated ed. Park Ridge, IL: Data Processing Management Association, 1979.

MLA (9th ed.) Citation

Data Processing Management Association. Guidelines to Data Processing Management. Rev. and updated ed. Data Processing Management Association, 1979.