APA (7th ed.) Citation

Willi Kobe, Familienporträt (ca. 1940).

Chicago Style (17th ed.) Citation

Willi Kobe, Familienporträt (ca. 1940).

MLA (8th ed.) Citation

Willi Kobe, Familienporträt (ca. 1940).

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