APA (7th ed.) Citation

Jarnuszkiewicz, J., & Jarnuszkiewiczowa, J. (1967). Ex Libris Jadwigi Jarnuszkiewicz.

Chicago Style (17th ed.) Citation

Jarnuszkiewicz, Jerzy, and Jadwiga Jarnuszkiewiczowa. Ex Libris Jadwigi Jarnuszkiewicz. [Miejsce nieznane], 1967.

MLA (9th ed.) Citation

Jarnuszkiewicz, Jerzy, and Jadwiga Jarnuszkiewiczowa. Ex Libris Jadwigi Jarnuszkiewicz. 1967.

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