APA (7th ed.) Citation

Lewis, C. S., & Elloway, D. (1981). Out of the silent planet. Longman.

Chicago Style (17th ed.) Citation

Lewis, C. S., and David Elloway. Out of the Silent Planet. Essex: Longman, 1981.

MLA (9th ed.) Citation

Lewis, C. S., and David Elloway. Out of the Silent Planet. Longman, 1981.

Warning: These citations may not always be 100% accurate.