APA (7th ed.) Citation

Norwid, C. K., Jeżewski, K., & Ekier, J. (1999). O Szopenie =: Sur Chopin. "Lodart".

Chicago Style (17th ed.) Citation

Norwid, Cyprian Kamil, Krzysztof Jeżewski, and Jan Ekier. O Szopenie =: Sur Chopin. Łódź: "Lodart", 1999.

MLA (9th ed.) Citation

Norwid, Cyprian Kamil, et al. O Szopenie =: Sur Chopin. "Lodart", 1999.