Cita APA (7th ed.)

Fredrickson, C. (1960). Sacred duet masterpieces of the world's great composers. R.D. Row Music.

Cita Chicago (17th ed.)

Fredrickson, Carl. Sacred Duet Masterpieces of the World's Great Composers. Boston: R.D. Row Music, 1960.

Cita MLA (9th ed.)

Fredrickson, Carl. Sacred Duet Masterpieces of the World's Great Composers. R.D. Row Music, 1960.