APA (7th ed.) Citation

Tillich, P., & Brown, D. M. (1965). Ultimate concern: Tillich in dialogue. Harper & Row.

Chicago Style (17th ed.) Citation

Tillich, Paul, and Donald Mackenzie Brown. Ultimate Concern: Tillich in Dialogue. New York: Harper & Row, 1965.

MLA (9th ed.) Citation

Tillich, Paul, and Donald Mackenzie Brown. Ultimate Concern: Tillich in Dialogue. Harper & Row, 1965.