APA (7th ed.) Citation

Mueller, R., Stiefel, E., & Brücher, H. (1972). Doing busines in Germany (7a. ed.). Fritz Knapp.

Chicago Style (17th ed.) Citation

Mueller, Rudolf, Ernest Stiefel, and Horst Brücher. Doing Busines in Germany. 7a. ed. Frankfurt am Main: Fritz Knapp, 1972.

MLA (9th ed.) Citation

Mueller, Rudolf, et al. Doing Busines in Germany. 7a. ed. Fritz Knapp, 1972.