Cite the scanned version of the original dicionary like this:
Bosworth, Joseph. "ge-." An Anglo-Saxon Dictionary: Based on the Manuscript Collections of the Late Joseph Bosworth. Ed. Thomas Northcote Toller. Oxford: Clarendon Press, 1898. 363.
.Add:I. connecting two words or clauses, and (1) alone :-- Mannes heáfod ge þá sculdro magan in, Bl. H. 127, 9. Þæfian mid lufe ge mid láþe, 45, 8. Þæs bysceopes líf on bysceopháde ge ǽr bysceopháde cujus uiri et in episcopatu et ante episcopatum uita, Bd. 4, 6; Sch. 382, 7. (2) with eác :-- Hit God wrecende wæs on him selfum . . . , ge eác (ac) . . . ealle eorþan wæstmbǽro gelytlade, Ors. 2, l ; S. 58, 19. Be þisse ondweardan tíde, ge eác be þǽre tóweardan, Bl. H. 15, 4.
.Add: Both ge- and gi- are used in the oldest glossaries: e. g. on p. 48 of O. E. T. nine words with the prefix occur; in four cases both the Epinal and Erfurt glosses have gi-, in one they have ge-, in two the Epinal has ge- where the Erfurt has gi-, and in two the Epinal has gi- where the other has ge-. In each case the Corpus Gloss. has ge-. In this glossary, however, gi- is found, e. g. gi-brec, 2152, and in later glossaries also, e. g. gi-mynd, Wrt. Voc. ii. 53, 73.