Many legal resources will have an abbreviation. Case citations use abbreviations to indicate the report series that holds the judgment. Legal journals may also use an abbreviation in their citation. In AGLC4, you should need to include the full title of the journal.
Use an abbreviations guide to find out the full title of the report or journal:
Then search for the full title in Primo Search. If the library subscribes to the report or journal, follow the link to view online and navigate to the correct volume.