APA (7th ed.) Citation

Gray, C. (1938). The forty-eight preludes and fugues of J.S. Bach. Oxford University Press.

Chicago Style (17th ed.) Citation

Gray, Cecil. The Forty-eight Preludes and Fugues of J.S. Bach. London: Oxford University Press, 1938.

MLA (8th ed.) Citation

Gray, Cecil. The Forty-eight Preludes and Fugues of J.S. Bach. Oxford University Press, 1938.