MLA

Cage, John, and David Tudor. Indeterminacy: New Aspect of Form In Instrumental and Electronic Music. New York: Folkways Records, 1959.

APA

Cage, J., & Tudor, D. (1959). Indeterminacy: new aspect of form in instrumental and electronic music. New York: Folkways Records.

Chicago

Cage, John., David Tudor, John Cage, and John Cage. Indeterminacy: New Aspect of Form In Instrumental and Electronic Music. New York: Folkways Records, 1959.