Cite the scanned version of the original dicionary like this:
Toller, T. Northcote, and Joseph Bosworth. "eorl-cund." An Anglo-Saxon Dictionary: Based on the Manuscript Collections of the Late Joseph Bosworth : Supplement. Oxford: Clarendon Press, 1921. 191.
;adj. Earl kind, noble; nobĭlis :-- Gif mannes esne eorl-cundne mannan ofslæhþ þreóm hundum scillinga gylde se ágend if a man's servant slay a man of an earl's degree, let the owner pay three hundred shillings, L. H. E. 1; Th. i. 26, 8.