APA (7th ed.) Citation

Chopin, F., Joseffy, R., & Huneker, J. (1943). Ballades for the piano. G. Schirmer.

Chicago Style (17th ed.) Citation

Chopin, Frédéric, Rafael Joseffy, and James Huneker. Ballades for the Piano. [New York]: G. Schirmer, 1943.

MLA (9th ed.) Citation

Chopin, Frédéric, et al. Ballades for the Piano. G. Schirmer, 1943.