APA (7th ed.) Citation

Chmielewski, A., & Szahaj, A. Oblicza etnocentryzmu.

Chicago Style (17th ed.) Citation

Chmielewski, Adam, and Andrzej Szahaj. Oblicza Etnocentryzmu.

MLA (9th ed.) Citation

Chmielewski, Adam, and Andrzej Szahaj. Oblicza Etnocentryzmu.

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