APA (7th ed.) Citation

Morgenstern, C. (1940). Einkehr (20.-21. Tsd.). Piper.

Chicago Style (17th ed.) Citation

Morgenstern, Christian. Einkehr. 20.-21. Tsd. München: Piper, 1940.

MLA (9th ed.) Citation

Morgenstern, Christian. Einkehr. 20.-21. Tsd. Piper, 1940.

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