APA (7th ed.) Citation

Köttgen, G. A. (1845). Original in Stadtgeschichtlichen Museum in Düsseldorf. From: PUB 51.

Chicago Style (17th ed.) Citation

Köttgen, Gustav Adolf. Original in Stadtgeschichtlichen Museum in Düsseldorf. From: PUB 51. 1845.

MLA (8th ed.) Citation

Köttgen, Gustav Adolf. Original in Stadtgeschichtlichen Museum in Düsseldorf. From: PUB 51. 1845.

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