APA (7th ed.) Citation

Southworth, R. B. (1988). PC-DOS/MS-DOS simplified. Boyd & Fraser.

Chicago Style (17th ed.) Citation

Southworth, Rod B. PC-DOS/MS-DOS Simplified. Boston: Boyd & Fraser, 1988.

MLA (8th ed.) Citation

Southworth, Rod B. PC-DOS/MS-DOS Simplified. Boyd & Fraser, 1988.