APA (7th ed.) Citation

Willibald, o. M., & Robinson, G. W. (1916). The life of Saint Boniface. Harvard University Press; [etc.].

Chicago Style (17th ed.) Citation

Willibald, of Mainz, and George W. Robinson. The Life of Saint Boniface. Cambridge: Harvard University Press; [etc.], 1916.

MLA (8th ed.) Citation

Willibald, of Mainz, and George W. Robinson. The Life of Saint Boniface. Harvard University Press; [etc.], 1916.