Gaya APA

L'Engle, M. (2007). Wrinkle in Time, A . United States: Farrar Straus Giroux.

Gaya MLA

L'Engle, Madeleine. "Wrinkle in Time, A". United States: Farrar Straus Giroux, 2007. GEN - Bacaan/Seri Non-Fiksi.