Cite the scanned version of the original dicionary like this:
Toller, T. Northcote, and Joseph Bosworth. "Lǽden." An Anglo-Saxon Dictionary: Based on the Manuscript Collections of the Late Joseph Bosworth : Supplement. Oxford: Clarendon Press, 1921. 6.
, es; n.I.Latin, the Latin tongue :-- Is ðæt Léden on smeáunge gewrita eallum ðám óðrum gemǽne quæ [i.e. lingua Latinorum] meditatione scripturarum cæteris omnibus est facta communis, Bd. 1, 1; S, 474, 4. Swá gelǽred ðæt hé Grécisc gereord of miclum dǽle cúþe and Léden him wæs swá cúþ swá swá Englisc in tantum institutus, ut Græcam linguam non parva ex parte, Latinam non minus quam Anglorum noverit, 5, 20; S. 641, 34.
;adj. Latin :-- Léden latinus, Ælfc. Gr. 38; Som. 41, 32. Ealle naman lédenre sprǽce [lédensprǽce, MS. O.] ðe on a geendiaþ all latin nouns that end in a, 7; Som. 6, 55. Ða gemetu gebyriaþ tó lédenum leóðcræfte metres belong to latin poetry, 50; Som. 51, 66. On lédenum gereorde, Homl. Skt. 6, 367. Lédene láreówas maciaþ on sumum namum accusativum on im, Ælfc. Gr. 9; Som. 14, 32. Stafum créciscum and lǽdenum [latinum, Lind.] litteris græcis et latinis, Lk. Skt. Rush. 23, 38. See the compounds of which Lǽden forms the first part.