APA (7th ed.) Citation

Aubert, A., & Wolf, L. (1915). Caspar David Friedrich: "Gott, Freiheit, Vaterland". Cassirer.

Chicago Style (17th ed.) Citation

Aubert, Andreas, and Luise Wolf. Caspar David Friedrich: "Gott, Freiheit, Vaterland". Berlin: Cassirer, 1915.

MLA (9th ed.) Citation

Aubert, Andreas, and Luise Wolf. Caspar David Friedrich: "Gott, Freiheit, Vaterland". Cassirer, 1915.

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