APA (7th ed.) Citation

Keller, G. Der grüne Heinrich. Edito-Service.

Chicago Style (17th ed.) Citation

Keller, Gottfried. Der Grüne Heinrich. Genf: Edito-Service.

MLA (9th ed.) Citation

Keller, Gottfried. Der Grüne Heinrich. Edito-Service.

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