Cite the scanned version of the original dicionary like this:
Bosworth, Joseph. "fæt." An Anglo-Saxon Dictionary: Based on the Manuscript Collections of the Late Joseph Bosworth. Ed. Thomas Northcote Toller. Oxford: Clarendon Press, 1898. 268.
.Add: (1) a vessel, utensil :-- Fæt vas, drenccuppe poculum, Wrt. Voc. i. 82, 41. Þ̵ fætt, Jn. L. 19, 29. Glæsen fæt ðæs wǽtan onféng, Bl. H. 209, 4. Fætes botm fundum, Wrt. Voc. ii. 39, 37. Fæte acerra, 5, 66. Dó on cyperen fæt oþþe on ǽrenum fate hafa, Lch. ii. 36, 1. Heald on cyperenum fate, 38, 12. On lǽmenum fæte in vase fictili, An. Ox. 11, 120. Under fæt sub modio, Mk. p. 3, 4. Fæte (fætt, L. ), Mk. R. 4, 21. Fatte, Lk. L. 8, 16. Stǽnino fatto ł bydno lapidae hydriae, Jn. L. 2, 6. Fato phialas, Mt. p. 10, 2.
ornament. l. fǽt. For "fætum, befeallen . . . with ornaments, shall be fallen off" substitute fætum befeallen . . . shall be stripped of ornaments ; and see next word.