APA (7th ed.) Citation

Ehrhardt, R. (1947). Die sieben Tage. E. Schmidt.

Chicago Style (17th ed.) Citation

Ehrhardt, Reinhold. Die Sieben Tage. Berlin: E. Schmidt, 1947.

MLA (9th ed.) Citation

Ehrhardt, Reinhold. Die Sieben Tage. E. Schmidt, 1947.

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