APA (7th ed.) Citation

Keller, W., & Heuer, F. (1977). Schillers Wallenstein.

Chicago Style (17th ed.) Citation

Keller, Werner, and Fritz Heuer. Schillers Wallenstein. Darmstadt, 1977.

MLA (8th ed.) Citation

Keller, Werner, and Fritz Heuer. Schillers Wallenstein. 1977.

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