APA (7th ed.) Citation

Wenig, B., & Gärtner, E. W. J. (1900). Ex Libris E. W. J. Gärtner.

Chicago Style (17th ed.) Citation

Wenig, Bernhard, and E. W. J. Gärtner. Ex Libris E. W. J. Gärtner. [S.l.], 1900.

MLA (9th ed.) Citation

Wenig, Bernhard, and E. W. J. Gärtner. Ex Libris E. W. J. Gärtner. 1900.