APA (7th ed.) Citation

Troeltsch, E., Graf, F. W., & Haury, H. (2013). Briefe. De Gruyter.

Chicago Style (17th ed.) Citation

Troeltsch, Ernst, Friedrich Wilhelm Graf, and Harald Haury. Briefe. Berlin München Boston: De Gruyter, 2013.

MLA (8th ed.) Citation

Troeltsch, Ernst, et al. Briefe. De Gruyter, 2013.