APA (7th ed.) Citation

Tillich, P., & Braaten, C. E. (1968). A history of Christian thought ([2nd ed., revised].). Harper & Row.

Chicago Style (17th ed.) Citation

Tillich, Paul, and Carl E. Braaten. A History of Christian Thought. [2nd ed., revised]. New York: Harper & Row, 1968.

MLA (9th ed.) Citation

Tillich, Paul, and Carl E. Braaten. A History of Christian Thought. [2nd ed., revised]. Harper & Row, 1968.