Cita APA (7a ed.)

Cowell, H. (1993). Piano music. Smithsonian-Folkways.

Cita Chicago Style (17a ed.)

Cowell, Henry. Piano Music. [S.l.]: Smithsonian-Folkways, 1993.

Cita MLA (9a ed.)

Cowell, Henry. Piano Music. Smithsonian-Folkways, 1993.