APA (7th ed.) Citation

Data General Corporation. (1972). User's manual, introduction to programming the Nova computers (1st revision.). Data General Corp..

Chicago Style (17th ed.) Citation

Data General Corporation. User's Manual, Introduction to Programming the Nova Computers. 1st revision. [Southboro, Mass.]: Data General Corp., 1972.

MLA (9th ed.) Citation

Data General Corporation. User's Manual, Introduction to Programming the Nova Computers. 1st revision. Data General Corp., 1972.