APA (7th ed.) Citation

Sumner, W. L. (1971). The Pianoforte (3rd ed.). Macdonald.

Chicago Style (17th ed.) Citation

Sumner, William Leslie. The Pianoforte. 3rd ed. London: Macdonald, 1971.

MLA (9th ed.) Citation

Sumner, William Leslie. The Pianoforte. 3rd ed. Macdonald, 1971.

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