APA (7th ed.) Citation

Thomas, O. C. (1996). Tillich and the Perennial Philosophy. The Harvard theological review, 89(1), 85-98.

Chicago Style (17th ed.) Citation

Thomas, Owen C. "Tillich and the Perennial Philosophy." The Harvard Theological Review 89, no. 1 (1996): 85-98.

MLA (8th ed.) Citation

Thomas, Owen C. "Tillich and the Perennial Philosophy." The Harvard Theological Review, vol. 89, no. 1, 1996, pp. 85-98.

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