APA (7th ed.) Citation

Jagusiak, J., & Jagusiak, J. (1997). Polacy w Europie: 500 zagadek. "Europa".

Chicago Style (17th ed.) Citation

Jagusiak, Jadwiga, and Jan Jagusiak. Polacy W Europie: 500 Zagadek. Wrocław: "Europa", 1997.

MLA (9th ed.) Citation

Jagusiak, Jadwiga, and Jan Jagusiak. Polacy W Europie: 500 Zagadek. "Europa", 1997.