APA (7th ed.) Citation

Pratchett, T., & Cholewa, P. W. (2011). Łups! Prószyński Media.

Chicago Style (17th ed.) Citation

Pratchett, Terry, and Piotr W. Cholewa. Łups! Warszawa: Prószyński Media, 2011.

MLA (9th ed.) Citation

Pratchett, Terry, and Piotr W. Cholewa. Łups! Prószyński Media, 2011.

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