APA (7th ed.) Citation

Tillich, P., & Wenz, G. (1989). Philosophical Writings = Philosophische Scriften. Gruyter.

Chicago Style (17th ed.) Citation

Tillich, Paul, and Gunther Wenz. Philosophical Writings = Philosophische Scriften. Berlin [etc.]: Gruyter, 1989.

MLA (9th ed.) Citation

Tillich, Paul, and Gunther Wenz. Philosophical Writings = Philosophische Scriften. Gruyter, 1989.

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