APA (7th ed.) Citation

Lewis, C. S., & Hooper, W. (1984). The business of heaven. Fount.

Chicago Style (17th ed.) Citation

Lewis, C. S., and Walter Hooper. The Business of Heaven. [London]: Fount, 1984.

MLA (9th ed.) Citation

Lewis, C. S., and Walter Hooper. The Business of Heaven. Fount, 1984.