APA (7th ed.) Citation

Zille, H. (1930). Zille's Vermächtnis (26. - 50. Tsd.). Franke.

Chicago Style (17th ed.) Citation

Zille, Heinrich. Zille's Vermächtnis. 26. - 50. Tsd. Berlin: Franke, 1930.

MLA (9th ed.) Citation

Zille, Heinrich. Zille's Vermächtnis. 26. - 50. Tsd. Franke, 1930.

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