Cita APA

L'Engle, M. (1978). A swiftly tilting planet (2a. ed.). New York: Farrar, Straus and Giroux.

Citación estilo Chicago

L'Engle, Madeleine. A Swiftly Tilting Planet. 2a. ed. New York: Farrar, Straus and Giroux, 1978.

Cita MLA

L'Engle, Madeleine. A Swiftly Tilting Planet. 2a. ed. New York: Farrar, Straus and Giroux, 1978.