APA (7th ed.) Citation

Balzer, O. M., & Tęgowski, J. (2005). Genealogia Piastów. Avalon.

Chicago Style (17th ed.) Citation

Balzer, Oswald Marian, and Jan Tęgowski. Genealogia Piastów. Kraków: Avalon, 2005.

MLA (9th ed.) Citation

Balzer, Oswald Marian, and Jan Tęgowski. Genealogia Piastów. Avalon, 2005.

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