APA (7th ed.) Citation

Tillich, P., & Sturm, E. (2009). Berliner Vorlesungen. De Gruyter.

Chicago Style (17th ed.) Citation

Tillich, Paul, and Erdmann Sturm. Berliner Vorlesungen. Berlin ; New York: De Gruyter, 2009.

MLA (8th ed.) Citation

Tillich, Paul, and Erdmann Sturm. Berliner Vorlesungen. De Gruyter, 2009.