APA (7th ed.) Citation

Abraham, W. (1921). Gniezno i Magdeburg. PAU.

Chicago Style (17th ed.) Citation

Abraham, Władysław. Gniezno I Magdeburg. Kraków: PAU, 1921.

MLA (9th ed.) Citation

Abraham, Władysław. Gniezno I Magdeburg. PAU, 1921.

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