APA aipamena

L'Engle, M. (1963). A wrinkle in time. New York: Farrar, Straus and Company.

Chicago Style aipamena

L'Engle, Madeleine. A Wrinkle in Time. New York: Farrar, Straus and Company, 1963.

MLA aipamena

L'Engle, Madeleine. A Wrinkle in Time. New York: Farrar, Straus and Company, 1963.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.