Cite the scanned version of the original dicionary like this:
Bosworth, Joseph. "FÆGER." An Anglo-Saxon Dictionary: Based on the Manuscript Collections of the Late Joseph Bosworth. Ed. Thomas Northcote Toller. Oxford: Clarendon Press, 1898. 264.
, es; n. (not e ; f.). Dele bracket, and add:I.beauty :-- Gif hit fæger is, þ̵ is of heora ágnum gecynde, næs of ðínum; heora fæger hit is, næs þín. Hwæt fægnast þú þonne heora fægeres? hwæt belimpþ his tó þe?, Bt. 14, 2 ; F. 42, 32-36. Hwæþer ðú beó á þý fægerra for óþres mannes fægere, 30, 1 ; F. 108, 28. II.what is beautiful :-- Þeáh hé mycel áge und feala fægeres, him bið mycel daru gif hé hit geseón ne mæge, Bl. H. 21, 8. [v. N. E. D. fair; sb.]
.Add:I.beautiful to the eye :-- Swá manega gesceafta and swá micla and swá fægra, Bt. 42 ; F. 256, 8. (1) of persons :-- Fæger man pulcher homo, Wrt. Voc. i. 72, 14. Fæger formosa, An. Ox. 3410. Án þára nunnena þe wæs swýþe fægru (speciosa) æfter þæs líchaman gesceape, Gr. D. 28, 25. On fægeres cildes heówe, Bl. H. 235, 29. Mid wlite and mid wæstmum fægerne, 113, 17. Fægerne bearnteám, Chr. 1057; P. 188, 14. Ðeáh þú wǽre eallra monna fægrost, Bt. 32, 1; F. 114, 27.