APA (7th ed.) Citation

Cage, J., & Pierce, J. (1989). Sonatas & interludes for prepared piano. Wergo.

Chicago Style (17th ed.) Citation

Cage, John, and Joshua Pierce. Sonatas & Interludes for Prepared Piano. Mainz, West Germany: Wergo, 1989.

MLA (9th ed.) Citation

Cage, John, and Joshua Pierce. Sonatas & Interludes for Prepared Piano. Wergo, 1989.