APA (7th ed.) Citation

Sommer, P. (2009). Dni i noce. Biuro Literackie.

Chicago Style (17th ed.) Citation

Sommer, Piotr. Dni I Noce. Wrocław: Biuro Literackie, 2009.

MLA (9th ed.) Citation

Sommer, Piotr. Dni I Noce. Biuro Literackie, 2009.

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