L'Engle, M. (2007). A wrinkle in time (First Square Fish edition.). Square Fish.
Lua i Stíl Chicago (17ú heag.)L'Engle, Madeleine. A Wrinkle in Time. First Square Fish edition. New York, NY: Square Fish, 2007.
Lua MLA (9ú heag.)L'Engle, Madeleine. A Wrinkle in Time. First Square Fish edition. Square Fish, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.