Cita APA (7a ed.)

Chopin, F. (1918). Op. 21: Concerto in F minor for the piano. G. Schirmer.

Cita Chicago Style (17a ed.)

Chopin, Frédéric. Op. 21: Concerto in F Minor for the Piano. New York: G. Schirmer, 1918.

Cita MLA (9a ed.)

Chopin, Frédéric. Op. 21: Concerto in F Minor for the Piano. G. Schirmer, 1918.