Cita APA (7th ed.)

Cramer, J. B. (1939). Eighty-four studies for the piano. G. Schirmer.

Cita Chicago (17th ed.)

Cramer, Johann Baptist. Eighty-four Studies for the Piano. New York: G. Schirmer, 1939.

Cita MLA (9th ed.)

Cramer, Johann Baptist. Eighty-four Studies for the Piano. G. Schirmer, 1939.