APA (7th ed.) Citation

Tchaikovsky, P. I., Bogatyrëv, S. S., & Skripka, S. (2011). The unknown Tchaikovsky. Musical Concepts.

Chicago Style (17th ed.) Citation

Tchaikovsky, Peter Ilich, S. S. Bogatyrëv, and Sergeĭ Skripka. The Unknown Tchaikovsky. [Long Island, New York]: Musical Concepts, 2011.

MLA (9th ed.) Citation

Tchaikovsky, Peter Ilich, et al. The Unknown Tchaikovsky. Musical Concepts, 2011.