APA (7th ed.) Citation

Tillich, P. (1949). The shaking of the foundations. SCM Press.

Chicago Style (17th ed.) Citation

Tillich, Paul. The Shaking of the Foundations. London: SCM Press, 1949.

MLA (9th ed.) Citation

Tillich, Paul. The Shaking of the Foundations. SCM Press, 1949.

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