APA (7th ed.) Citation

Steel, D., & Pankiewicz, E. (2009). To niemożliwe. Bertelsmann Media.

Chicago Style (17th ed.) Citation

Steel, Danielle, and Ewa Pankiewicz. To Niemożliwe. Warszawa: Bertelsmann Media, 2009.

MLA (9th ed.) Citation

Steel, Danielle, and Ewa Pankiewicz. To Niemożliwe. Bertelsmann Media, 2009.

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