APA (7th ed.) Citation

Sobel, R. 1. F. 1. (1981). I.B.M.. colossus in transition. Times Books.

Chicago Style (17th ed.) Citation

Sobel, Robert 1931 Feb. 19-. I.B.M.. Colossus in Transition. New York: Times Books, 1981.

MLA (9th ed.) Citation

Sobel, Robert 1931 Feb. 19-. I.B.M.. Colossus in Transition. Times Books, 1981.