APA (7th ed.) Citation

Roher, M., & Bratkowska, K. (2017). Wędrowne ptaki. Prószyński Media.

Chicago Style (17th ed.) Citation

Roher, Michael, and Krystyna Bratkowska. Wędrowne Ptaki. Warszawa: Prószyński Media, 2017.

MLA (9th ed.) Citation

Roher, Michael, and Krystyna Bratkowska. Wędrowne Ptaki. Prószyński Media, 2017.

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