APA (7th ed.) Citation

Tillich, P. (1966). Systematic theology. University of Chicago Press.

Chicago Style (17th ed.) Citation

Tillich, Paul. Systematic Theology. Chicago: University of Chicago Press, 1966.

MLA (9th ed.) Citation

Tillich, Paul. Systematic Theology. University of Chicago Press, 1966.

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