APA (7th ed.) Citation

Soler, A., & Duck, L. (1950). Six sonatas for pianoforte. Mills Music.

Chicago Style (17th ed.) Citation

Soler, Antonio, and Leonard Duck. Six Sonatas for Pianoforte. New York, N.Y.: Mills Music, 1950.

MLA (9th ed.) Citation

Soler, Antonio, and Leonard Duck. Six Sonatas for Pianoforte. Mills Music, 1950.