APA (7th ed.) Citation

Patten, R., & Calandrino, P. (1983). Getting started with CP/M. Hayden Book Co..

Chicago Style (17th ed.) Citation

Patten, Rob, and Paul Calandrino. Getting Started with CP/M. Rochelle Park, N.J.: Hayden Book Co., 1983.

MLA (9th ed.) Citation

Patten, Rob, and Paul Calandrino. Getting Started with CP/M. Hayden Book Co., 1983.