APA (7th ed.) Citation

Hinzmann, H., & Bludau, F. (1913). Ex Libris Friedrich Bludau.

Chicago Style (17th ed.) Citation

Hinzmann, Heinrich, and Friedrich Bludau. Ex Libris Friedrich Bludau. Hannover, 1913.

MLA (9th ed.) Citation

Hinzmann, Heinrich, and Friedrich Bludau. Ex Libris Friedrich Bludau. 1913.

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