APA (7th ed.) Citation

Friedrich, C. D. (1973). Caspar David Friedrich. Seemann.

Chicago Style (17th ed.) Citation

Friedrich, Caspar David. Caspar David Friedrich. Leipzig: Seemann, 1973.

MLA (9th ed.) Citation

Friedrich, Caspar David. Caspar David Friedrich. Seemann, 1973.

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