APA (7th ed.) Citation

Martin, B., & Tillich, P. (1963). The existentialist Theology of Paul Tillich. Bookman.

Chicago Style (17th ed.) Citation

Martin, Bernard, and Paul Tillich. The Existentialist Theology of Paul Tillich. New York: Bookman, 1963.

MLA (8th ed.) Citation

Martin, Bernard, and Paul Tillich. The Existentialist Theology of Paul Tillich. Bookman, 1963.

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