APA (7th ed.) Citation

Ridley, A. (2004). The philosophy of music: Theme and variation. The University Press.

Chicago Style (17th ed.) Citation

Ridley, Aaron. The Philosophy of Music: Theme and Variation. The University Press, 2004.

MLA (9th ed.) Citation

Ridley, Aaron. The Philosophy of Music: Theme and Variation. The University Press, 2004.

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