Cita APA (7th ed.)

Lange, G., & Greenwald, M. (1909). Secret love: Stille liebe, op.46. Century Music.

Cita Chicago (17th ed.)

Lange, Gustav, i M. Greenwald. Secret Love: Stille Liebe, Op.46. New York: Century Music, 1909.

Cita MLA (9th ed.)

Lange, Gustav, i M. Greenwald. Secret Love: Stille Liebe, Op.46. Century Music, 1909.