APA (7th ed.) Citation

Koopmann, H. (1932). Friedrich Schiller: Helmut Koopmann (1.Aufl.). Metzler.

Chicago Style (17th ed.) Citation

Koopmann, Helmut. Friedrich Schiller: Helmut Koopmann. 1.Aufl. Stuttgart: Metzler, 1932.

MLA (8th ed.) Citation

Koopmann, Helmut. Friedrich Schiller: Helmut Koopmann. 1.Aufl. Metzler, 1932.

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