APA (7th ed.) Citation

Ketter, P. (1942). Die Apokalypse. Herder.

Chicago Style (17th ed.) Citation

Ketter, Peter. Die Apokalypse. Freiburg [etc.]: Herder, 1942.

MLA (9th ed.) Citation

Ketter, Peter. Die Apokalypse. Herder, 1942.

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