APA (7th ed.) Citation

Birkenmayer, A. J., & Birkenmajer, A. (1929). Ex Libris Dris Alexandri Birkenmayer.

Chicago Style (17th ed.) Citation

Birkenmayer, Alfred Józef, and Aleksander Birkenmajer. Ex Libris Dris Alexandri Birkenmayer. [Miejsce nieznane], 1929.

MLA (9th ed.) Citation

Birkenmayer, Alfred Józef, and Aleksander Birkenmajer. Ex Libris Dris Alexandri Birkenmayer. 1929.

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