APA (7th ed.) Citation

Lange, G., & Greenwald, M. (1908). Sweet dreams, op.322: Meditation. Century Music.

Chicago Style (17th ed.) Citation

Lange, Gustav, and M. Greenwald. Sweet Dreams, Op.322: Meditation. New York: Century Music, 1908.

MLA (9th ed.) Citation

Lange, Gustav, and M. Greenwald. Sweet Dreams, Op.322: Meditation. Century Music, 1908.