Encyclopedias, lexica, and similar reference works should include the full bibliographic information in the same form as it would appear in a bibliography, beginning with the last name(s) of the author(s) or editor(s).
Discouraged:
ABDAnchor Bible DictionaryABDAnchor Bible Dictionary. Edited by David Noel Freedman. 6 vols. New York: Doubleday, 1992.
Recommended:
ABD Freedman, David Noel, ed. Anchor Bible Dictionary. 6 vols. New York: Doubleday, 1992.
See https://sblhs2.com/2018/05/24/abbreviations-lists/