APA (7th ed.) Citation

Tillyard, E. M. W., & Lewis, C. S. (1939). The Personal heresy. O.U.P.

Chicago Style (17th ed.) Citation

Tillyard, Eustace Mandeville Wetenhall, and C. S. Lewis. The Personal Heresy. London: O.U.P, 1939.

MLA (9th ed.) Citation

Tillyard, Eustace Mandeville Wetenhall, and C. S. Lewis. The Personal Heresy. O.U.P, 1939.

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