APA (7th ed.) Citation

Sibelius, J., & Keller, R. S. (1933). Black roses, op.36, no.1. Breitkopf & Hartel.

Chicago Style (17th ed.) Citation

Sibelius, Jean, and Robert S. Keller. Black Roses, Op.36, No.1. New York: Breitkopf & Hartel, 1933.

MLA (9th ed.) Citation

Sibelius, Jean, and Robert S. Keller. Black Roses, Op.36, No.1. Breitkopf & Hartel, 1933.

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