APA (7th ed.) Citation

Kretschmer, B., & Gerding, M. (1992). Vieweg-Software-Trainer MS-DOS 5.0. Vieweg.

Chicago Style (17th ed.) Citation

Kretschmer, Bernd, and Michael Gerding. Vieweg-Software-Trainer MS-DOS 5.0. Braunschweig u.a: Vieweg, 1992.

MLA (9th ed.) Citation

Kretschmer, Bernd, and Michael Gerding. Vieweg-Software-Trainer MS-DOS 5.0. Vieweg, 1992.

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