Cita APA (7a ed.)

Hartley, W. S. (1975). Three modes for piano. Piedmont Music.

Cita Chicago Style (17a ed.)

Hartley, Walter Sinclair. Three Modes for Piano. [s.l.]: Piedmont Music, 1975.

Cita MLA (9a ed.)

Hartley, Walter Sinclair. Three Modes for Piano. Piedmont Music, 1975.