APA (7th ed.) Citation

Grasskamp, W. (2004). Johannes Cladders. DuMont.

Chicago Style (17th ed.) Citation

Grasskamp, Walter. Johannes Cladders. Köln: DuMont, 2004.

MLA (8th ed.) Citation

Grasskamp, Walter. Johannes Cladders. DuMont, 2004.

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