APA (7th ed.) Citation

Lewis, C. S., & Hooper, W. (1987). The dark tower and other stories. Collins.

Chicago Style (17th ed.) Citation

Lewis, C. S., and Walter Hooper. The Dark Tower and Other Stories. London: Collins, 1987.

MLA (9th ed.) Citation

Lewis, C. S., and Walter Hooper. The Dark Tower and Other Stories. Collins, 1987.

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