APA (7th ed.) Citation

L'Engle, M. (1962). A wrinkle in time. Ariel Books.

Chicago Style (17th ed.) Citation

L'Engle, Madeleine. A Wrinkle in Time. [New York]: Ariel Books, 1962.

MLA (9th ed.) Citation

L'Engle, Madeleine. A Wrinkle in Time. Ariel Books, 1962.