Cita APA (7th ed.)
Lewis, C. S. (1972). Voyage to Venus: Perelandra. pan books Ltd..
Cita Chicago (17th ed.)
Lewis, C. S. Voyage to Venus: Perelandra. London: pan books Ltd., 1972.
Cita MLA (9th ed.)
Lewis, C. S. Voyage to Venus: Perelandra. pan books Ltd., 1972.
Atenció: Aquestes cites poden no estar 100% correctes.