APA (7th ed.) Citation

L'Engle, M. (1980). A ring of endless light. Farrar, Straus, Giroux.

Chicago Style (17th ed.) Citation

L'Engle, Madeleine. A Ring of Endless Light. New York: Farrar, Straus, Giroux, 1980.

MLA (9th ed.) Citation

L'Engle, Madeleine. A Ring of Endless Light. Farrar, Straus, Giroux, 1980.