APA (7th ed.) Citation

Baumgärtner, R. Die Höllenmaschine.

Chicago Style (17th ed.) Citation

Baumgärtner, Richard. Die Höllenmaschine.

MLA (8th ed.) Citation

Baumgärtner, Richard. Die Höllenmaschine.

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