APA aipamena

Engle, M. L. (1962). A wrinkle in time. New York: Yearling.

Chicago Style aipamena

Engle, Madeleine L. A Wrinkle in Time. New York: Yearling, 1962.

MLA aipamena

Engle, Madeleine L. A Wrinkle in Time. New York: Yearling, 1962.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.