APA (7th ed.) Citation

Kohler, L. (1939). Practical method for the piano, op.300. G. Schirmer.

Chicago Style (17th ed.) Citation

Kohler, Louis. Practical Method for the Piano, Op.300. New York: G. Schirmer, 1939.

MLA (9th ed.) Citation

Kohler, Louis. Practical Method for the Piano, Op.300. G. Schirmer, 1939.

Warning: These citations may not always be 100% accurate.