APA (7th ed.) Citation

Hallmark, C. (1979). Computerist's handy databook/dictionary. Tab Books.

Chicago Style (17th ed.) Citation

Hallmark, Clayton. Computerist's Handy Databook/dictionary. Blue Ridge Summit, Pa.: Tab Books, 1979.

MLA (9th ed.) Citation

Hallmark, Clayton. Computerist's Handy Databook/dictionary. Tab Books, 1979.