APA (7th ed.) Citation

DUNCAN RAY. (1988). ADVANCED MSDOS (2ND.). MICROSOFT.

Chicago Style (17th ed.) Citation

DUNCAN RAY. ADVANCED MSDOS. 2ND. U S A: MICROSOFT, 1988.

MLA (9th ed.) Citation

DUNCAN RAY. ADVANCED MSDOS. 2ND. MICROSOFT, 1988.