APA (7th ed.) Citation

Cage, J. (1960). She is asleep: Duet [for] voice and prepared piano, 1943. Henmar Press.

Chicago Style (17th ed.) Citation

Cage, John. She Is Asleep: Duet [for] Voice and Prepared Piano, 1943. New York: Henmar Press, 1960.

MLA (9th ed.) Citation

Cage, John. She Is Asleep: Duet [for] Voice and Prepared Piano, 1943. Henmar Press, 1960.