APA (7th ed.) Citation

Koopmann, H. Friedrich Schiller. Metzler.

Chicago Style (17th ed.) Citation

Koopmann, Helmut. Friedrich Schiller. Stuttgart: Metzler.

MLA (9th ed.) Citation

Koopmann, Helmut. Friedrich Schiller. Metzler.

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