APA (7th ed.) Citation

Szymanowski, K., & Utrecht, A. (1960). Karol Szymanowski: Piano works. Muza.

Chicago Style (17th ed.) Citation

Szymanowski, Karol, and Aleksandra Utrecht. Karol Szymanowski: Piano Works. [n.p.]: Muza, 1960.

MLA (9th ed.) Citation

Szymanowski, Karol, and Aleksandra Utrecht. Karol Szymanowski: Piano Works. Muza, 1960.

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