APA (7th ed.) Citation

Tillich, P. (1963). Christianity and the Encounter of the World Religions. Columbia University Press.

Chicago Style (17th ed.) Citation

Tillich, Paul. Christianity and the Encounter of the World Religions. Columbia University Press, 1963.

MLA (8th ed.) Citation

Tillich, Paul. Christianity and the Encounter of the World Religions. Columbia University Press, 1963.

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