APA (7th ed.) Citation

Cage, J., Pierce, J., Ajemian, M., Crispell, M., & Kubera, J. (1991). Works for piano, toy piano & prepared piano. Wergo.

Chicago Style (17th ed.) Citation

Cage, John, Joshua Pierce, Maro Ajemian, Marilyn Crispell, and Joseph Kubera. Works for Piano, Toy Piano & Prepared Piano. Mainz, Germany: Wergo, 1991.

MLA (9th ed.) Citation

Cage, John, et al. Works for Piano, Toy Piano & Prepared Piano. Wergo, 1991.