APA (7th ed.) Citation

Burckhardt, J., Dürr, E., Burckhardt, J., & Kaegi, W. (1957). Historische Fragmente. K. F. Koehler.

Chicago Style (17th ed.) Citation

Burckhardt, Jacob, Emil Dürr, Jakob Burckhardt, and Werner Kaegi. Historische Fragmente. Stuttgart: K. F. Koehler, 1957.

MLA (8th ed.) Citation

Burckhardt, Jacob, et al. Historische Fragmente. K. F. Koehler, 1957.