APA (7th ed.) Citation

Franz, O., & Sansone, L. (1969). 53 duets for 2 French horns. Southern Music.

Chicago Style (17th ed.) Citation

Franz, Oscar, and Lorenzo Sansone. 53 Duets for 2 French Horns. New York: Southern Music, 1969.

MLA (9th ed.) Citation

Franz, Oscar, and Lorenzo Sansone. 53 Duets for 2 French Horns. Southern Music, 1969.