APA (7th ed.) Citation

Fischer, H., & Geiger, F. (1905). Ex Libris Ferdinand - Geiger.

Chicago Style (17th ed.) Citation

Fischer, Helma, and Ferdinand Geiger. Ex Libris Ferdinand - Geiger. [S.l, 1905.

MLA (9th ed.) Citation

Fischer, Helma, and Ferdinand Geiger. Ex Libris Ferdinand - Geiger. 1905.

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