APA (7th ed.) Citation

L'Engle, M., & Ehle, J. (2012). A swiftly tilting planet. Random House/Listening Library.

Chicago Style (17th ed.) Citation

L'Engle, Madeleine, and Jennifer Ehle. A Swiftly Tilting Planet. New York: Random House/Listening Library, 2012.

MLA (8th ed.) Citation

L'Engle, Madeleine, and Jennifer Ehle. A Swiftly Tilting Planet. Random House/Listening Library, 2012.

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