Cite the scanned version of the original dicionary like this:
Toller, T. Northcote, and Joseph Bosworth. "innan-burhware." An Anglo-Saxon Dictionary: Based on the Manuscript Collections of the Late Joseph Bosworth : Supplement. Oxford: Clarendon Press, 1921. 768.
;pl. Those living within a town - Ða geférscipas innanburhwara and útanburhwara the fellowships of the in-townsmen and of the out-townsmen, Chart. Th. 510, 31.