APA (7th ed.) Citation

Kichler, A., & Saeng, L. (1901). Ex Libris Ludwig Saeng.

Chicago Style (17th ed.) Citation

Kichler, Auguste, and Ludwig Saeng. Ex Libris Ludwig Saeng. Darmstadt, 1901.

MLA (9th ed.) Citation

Kichler, Auguste, and Ludwig Saeng. Ex Libris Ludwig Saeng. 1901.

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