APA Citation

Koch, H., & Friedrich, C. D. (1975). Caspar David Friedrich. Ramerding: Berghaus-Verl.

Chicago Style Citation

Koch, Horst, and Caspar David Friedrich. Caspar David Friedrich. Ramerding: Berghaus-Verl, 1975.

MLA Citation

Koch, Horst, and Caspar David Friedrich. Caspar David Friedrich. Ramerding: Berghaus-Verl, 1975.

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