APA (7th ed.) Citation

Wenig, B., & Quincke, W. (1901). Ex Libris Wolfgang Quincke.

Chicago Style (17th ed.) Citation

Wenig, Bernhard, and Wolfgang Quincke. Ex Libris Wolfgang Quincke. [S.l.], 1901.

MLA (9th ed.) Citation

Wenig, Bernhard, and Wolfgang Quincke. Ex Libris Wolfgang Quincke. 1901.

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