APA (7th ed.) Citation

Eisenbeis, W. (1983). The key ideas of Paul Tillich's Systematic theology. University Press of America.

Chicago Style (17th ed.) Citation

Eisenbeis, Walter. The Key Ideas of Paul Tillich's Systematic Theology. Washington, D.C.: University Press of America, 1983.

MLA (9th ed.) Citation

Eisenbeis, Walter. The Key Ideas of Paul Tillich's Systematic Theology. University Press of America, 1983.