APA (7th ed.) Citation

Grabowski, E., & Szczepankiewicz, J. (1960). Ex Libris Jana Szczepankiewicza.

Chicago Style (17th ed.) Citation

Grabowski, Edward, and Jan Szczepankiewicz. Ex Libris Jana Szczepankiewicza. [S.l.], 1960.

MLA (9th ed.) Citation

Grabowski, Edward, and Jan Szczepankiewicz. Ex Libris Jana Szczepankiewicza. 1960.

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