Cite the scanned version of the original dicionary like this:
Toller, T. Northcote, and Joseph Bosworth. "wíd-scriþol." An Anglo-Saxon Dictionary: Based on the Manuscript Collections of the Late Joseph Bosworth : Supplement. Oxford: Clarendon Press, 1921. 745.
(-el, -ul); adj. Wide-wandering, roving, rambling :-- Hlúd and wídscriðel garrula et vaga, Kent. Gl. 188. Ðæt feórðe muneca cyn is wídscriþul (wíðscriþel gyrovagum, R. Ben. Interl. 10, 16) genæm*-*ned, R. Ben. 9, 21. Hit is yfel, ðæt sume (munecas) synd to wídscriþole, L. I. P. 14; Th. 11. 322, 13. Fífte cyn muneca is wídscriþelra hleápera, ðe under muneces gegyrlan ǽghwyder scríþaþ; ða þurh nánes mannes sande ne faraþ, faraþ þeáh geond missenlíce þeóda, néfre staþolfeste, nǽfre wuniende, náhwár sittende, R. Ben. 135, 20.