Cite the scanned version of the original dicionary like this:
Bosworth, Joseph. "hádelíce." An Anglo-Saxon Dictionary: Based on the Manuscript Collections of the Late Joseph Bosworth. Ed. Thomas Northcote Toller. Oxford: Clarendon Press, 1898. 498.
.Substitute: In respect to person :-- God . . . án myhtylíce and þrylic hádelice Deus . . . unus potentialiter, trinusque personaliter, Hy. S. 29, 13. v. hád; 1. 4.