APA (7th ed.) Citation

Otto. (1916). Heinrich IV in Canossa. Historisches Jahrbuch, 37, 267-.

Chicago Style (17th ed.) Citation

Otto. "Heinrich IV in Canossa." Historisches Jahrbuch 37 (1916): 267-.

MLA (9th ed.) Citation

Otto. "Heinrich IV in Canossa." Historisches Jahrbuch, vol. 37, 1916, pp. 267-.

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