APA (7th ed.) Citation

Peck, R. N., & Hoppe, L. (2010). A day no pigs would die (Unabridged.). Listening Library.

Chicago Style (17th ed.) Citation

Peck, Robert Newton, and Lincoln Hoppe. A Day No Pigs Would Die. Unabridged. New York: Listening Library, 2010.

MLA (9th ed.) Citation

Peck, Robert Newton, and Lincoln Hoppe. A Day No Pigs Would Die. Unabridged. Listening Library, 2010.