APA (7th ed.) Citation

Chopin, F., & Gabrilowitsch, O. Fantasie impromptu, op. 66.

Chicago Style (17th ed.) Citation

Chopin, Frédéric, and Ossip Gabrilowitsch. Fantasie Impromptu, Op. 66.

MLA (9th ed.) Citation

Chopin, Frédéric, and Ossip Gabrilowitsch. Fantasie Impromptu, Op. 66.

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