APA (7th ed.) Citation

Vonnegut, K., & Dietz, N. (2011). While mortals sleep: Unpublished short fiction (Unabridged.). Recorded Books Inc..

Chicago Style (17th ed.) Citation

Vonnegut, Kurt, and Norman Dietz. While Mortals Sleep: Unpublished Short Fiction. Unabridged. Prince Frederick: Recorded Books Inc., 2011.

MLA (8th ed.) Citation

Vonnegut, Kurt, and Norman Dietz. While Mortals Sleep: Unpublished Short Fiction. Unabridged. Recorded Books Inc., 2011.

Warning: These citations may not always be 100% accurate.