APA (7th ed.) Citation

Lutosławski, W., Sungkono, S. c. 2. J., & Sungkono, S. c. 2. J. Variations on a theme by Paganini.

Chicago Style (17th ed.) Citation

Lutosławski, Witold, Sonja ca. 20./21. Jh Sungkono, and Shanti ca. 20./21. Jh Sungkono. Variations on a Theme by Paganini.

MLA (9th ed.) Citation

Lutosławski, Witold, et al. Variations on a Theme by Paganini.