APA (7th ed.) Citation

Waldmann, E. (1941). Caspar David Friedrich: Almanach. Gurlitt-Verl.

Chicago Style (17th ed.) Citation

Waldmann, Emil. Caspar David Friedrich: Almanach. Berlin: Gurlitt-Verl, 1941.

MLA (9th ed.) Citation

Waldmann, Emil. Caspar David Friedrich: Almanach. Gurlitt-Verl, 1941.

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