APA
Lewis C. S., . (1972). Out of the silent planet. New York: Macmillan.
Chicago
Lewis C S, . 1972. Out of the silent planet. New York: Macmillan.
Harvard
Lewis C. S., . (1972). Out of the silent planet. New York: Macmillan.
MLA
Lewis C S, . Out of the silent planet. New York: Macmillan. 1972.
