APA (7th ed.) Citation

Busoni, F. (1957). The essence of music: And other papers. Philosophical Library.

Chicago Style (17th ed.) Citation

Busoni, Ferruccio. The Essence of Music: And Other Papers. New York: Philosophical Library, 1957.

MLA (9th ed.) Citation

Busoni, Ferruccio. The Essence of Music: And Other Papers. Philosophical Library, 1957.