APA (7th ed.) Citation

Troeltsch, E., Haury, H., & Graf, F. W. (2016). Briefe III: (1905-1915). De Gruyter.

Chicago Style (17th ed.) Citation

Troeltsch, Ernst, Harald Haury, and Friedrich Wilhelm Graf. Briefe III: (1905-1915). Berlin [etc.]: De Gruyter, 2016.

MLA (9th ed.) Citation

Troeltsch, Ernst, et al. Briefe III: (1905-1915). De Gruyter, 2016.