APA (7th ed.) Citation

Huldschinsky, P. O., & Schoeller, A. (1920). Ex Libris Alfred Schoeller.

Chicago Style (17th ed.) Citation

Huldschinsky, Paul Oscar, and Alfred Schoeller. Ex Libris Alfred Schoeller. [Berlin, 1920.

MLA (9th ed.) Citation

Huldschinsky, Paul Oscar, and Alfred Schoeller. Ex Libris Alfred Schoeller. 1920.

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