APA (7th ed.) Citation

Hoffmann, R. (1974). Caspar David Friedrich.

Chicago Style (17th ed.) Citation

Hoffmann, Raimund. Caspar David Friedrich. Berlin, 1974.

MLA (8th ed.) Citation

Hoffmann, Raimund. Caspar David Friedrich. 1974.

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