APA (7th ed.) Citation

Wielhorski, W., & Sapieha, J. (1944). The Importance of the Polish Eastern provinces for the Polish Republic. Ksiaznica Polska the Polish Library.

Chicago Style (17th ed.) Citation

Wielhorski, Władysław, and J. Sapieha. The Importance of the Polish Eastern Provinces for the Polish Republic. Glasgow: Ksiaznica Polska the Polish Library, 1944.

MLA (9th ed.) Citation

Wielhorski, Władysław, and J. Sapieha. The Importance of the Polish Eastern Provinces for the Polish Republic. Ksiaznica Polska the Polish Library, 1944.

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