APA (7th ed.) Citation

Keene, C., & Linney, L. (2002). The hidden staircase (Unabridged.). Random House/Listening Library.

Chicago Style (17th ed.) Citation

Keene, Carolyn, and Laura Linney. The Hidden Staircase. Unabridged. New York: Random House/Listening Library, 2002.

MLA (9th ed.) Citation

Keene, Carolyn, and Laura Linney. The Hidden Staircase. Unabridged. Random House/Listening Library, 2002.