APA (7th ed.) Citation

Lewis, C. S., & Hooper, W. (1990). Christian reunion and other essays. Collins.

Chicago Style (17th ed.) Citation

Lewis, C. S., and Walter Hooper. Christian Reunion and Other Essays. London [etc.]: Collins, 1990.

MLA (9th ed.) Citation

Lewis, C. S., and Walter Hooper. Christian Reunion and Other Essays. Collins, 1990.

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