APA (7th ed.) Citation

Letwin, G. (1988). Inside OS/2. Microsoft Press.

Chicago Style (17th ed.) Citation

Letwin, Gordon. Inside OS/2. Redmond, Wash.: Microsoft Press, 1988.

MLA (9th ed.) Citation

Letwin, Gordon. Inside OS/2. Microsoft Press, 1988.

Warning: These citations may not always be 100% accurate.