APA (7th ed.) Citation

Musorgskij, M. P. (1950). Boris Godunov (Private record.). Unique Opera Records.

Chicago Style (17th ed.) Citation

Musorgskij, Modest Petrovič. Boris Godunov. Private record. S.l: Unique Opera Records, 1950.

MLA (9th ed.) Citation

Musorgskij, Modest Petrovič. Boris Godunov. Private record. Unique Opera Records, 1950.