APA (7th ed.) Citation

Friedrich, C. D., & Traeger, J. (1976). Caspar David Friedrich. Rizzoli.

Chicago Style (17th ed.) Citation

Friedrich, Caspar David, and Jörg Traeger. Caspar David Friedrich. New York: Rizzoli, 1976.

MLA (9th ed.) Citation

Friedrich, Caspar David, and Jörg Traeger. Caspar David Friedrich. Rizzoli, 1976.

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