APA (7th ed.) Citation

Rethel, A. (1940). Die Karlsfresken Alfred Rethels. Röhrscheid.

Chicago Style (17th ed.) Citation

Rethel, Alfred. Die Karlsfresken Alfred Rethels. Bonn: Röhrscheid, 1940.

MLA (9th ed.) Citation

Rethel, Alfred. Die Karlsfresken Alfred Rethels. Röhrscheid, 1940.

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