APA (7th ed.) Citation

Mrożewski, S., & Kielbass, L. W. (1932). Ex Libris Ludwika Kielbassa.

Chicago Style (17th ed.) Citation

Mrożewski, Stefan, and Ludwik Wiktor Kielbass. Ex Libris Ludwika Kielbassa. [S. l, 1932.

MLA (9th ed.) Citation

Mrożewski, Stefan, and Ludwik Wiktor Kielbass. Ex Libris Ludwika Kielbassa. 1932.

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