APA (7th ed.) Citation

Schildt, H. (1988). DOS 4 made easy. Osborne McGraw-Hill.

Chicago Style (17th ed.) Citation

Schildt, Herbert. DOS 4 Made Easy. Berkeley, Calif.: Osborne McGraw-Hill, 1988.

MLA (9th ed.) Citation

Schildt, Herbert. DOS 4 Made Easy. Osborne McGraw-Hill, 1988.