APA (7th ed.) Citation

Lewis, C. S., Barfield, O., & Hooper, W. (1990). Mark vs. Tristram: Correspondence between C. S. Lewis & Owen Barfield. Oxford C. S. Lewis Soc.

Chicago Style (17th ed.) Citation

Lewis, C. S., Owen Barfield, and Walter Hooper. Mark Vs. Tristram: Correspondence Between C. S. Lewis & Owen Barfield. [Oxford]: Oxford C. S. Lewis Soc, 1990.

MLA (9th ed.) Citation

Lewis, C. S., et al. Mark Vs. Tristram: Correspondence Between C. S. Lewis & Owen Barfield. Oxford C. S. Lewis Soc, 1990.