APA (7th ed.) Citation

Mims, F. M. (1987). Understanding digital computers (2nd ed.). H.W. Sams.

Chicago Style (17th ed.) Citation

Mims, Forrest M. Understanding Digital Computers. 2nd ed. Indianapolis, USA: H.W. Sams, 1987.

MLA (9th ed.) Citation

Mims, Forrest M. Understanding Digital Computers. 2nd ed. H.W. Sams, 1987.