APA (7th ed.) Citation

Raddatz-Löffler, H., & Tworek, F. (1992). Intensiv-Schulung Windows 3.1. Vieweg.

Chicago Style (17th ed.) Citation

Raddatz-Löffler, Heidi, and Frank Tworek. Intensiv-Schulung Windows 3.1. Braunschweig u.a: Vieweg, 1992.

MLA (9th ed.) Citation

Raddatz-Löffler, Heidi, and Frank Tworek. Intensiv-Schulung Windows 3.1. Vieweg, 1992.