APA (7th ed.) Citation

Eggimann, H., & Eggimann, A. (1910). Ex Libris Anna Eggimann.

Chicago Style (17th ed.) Citation

Eggimann, Hans, and Anna Eggimann. Ex Libris Anna Eggimann. Berno, 1910.

MLA (9th ed.) Citation

Eggimann, Hans, and Anna Eggimann. Ex Libris Anna Eggimann. 1910.

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