APA (7th ed.) Citation

Nagel, O. (1963). Käthe Kollwitz. Verlag der Kunst.

Chicago Style (17th ed.) Citation

Nagel, Otto. Käthe Kollwitz. Dresden: Verlag der Kunst, 1963.

MLA (8th ed.) Citation

Nagel, Otto. Käthe Kollwitz. Verlag der Kunst, 1963.

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