Cita APA (7th ed.)

L'Engle, M. (1962). A wrinkle in time. Ariel Bks: Farrar, Straus.

Cita Chicago (17th ed.)

L'Engle, Madeleine. A Wrinkle in Time. [S.l.]: Ariel Bks: Farrar, Straus, 1962.

Cita MLA (9th ed.)

L'Engle, Madeleine. A Wrinkle in Time. Ariel Bks: Farrar, Straus, 1962.

Atenció: Aquestes cites poden no estar 100% correctes.