Cita APA (7a ed.)

Zille, H., & Altner, R. (1980). Heinrich Zille, 1858 - 1929. Information.

Cita Chicago Style (17a ed.)

Zille, Heinrich, y Renate Altner. Heinrich Zille, 1858 - 1929. Berlin: Information, 1980.

Cita MLA (8a ed.)

Zille, Heinrich, y Renate Altner. Heinrich Zille, 1858 - 1929. Information, 1980.