Reading a Citation Introduction A citation is a reference to a source used in an article, essay, book, etc. In some periodical indexes, citations include abstracts .
Abstracts are brief summaries of articles.
Abbreviated Journal Titles While searching periodical indexes, you may find that the titles of magazines or journals are abbreviated . In most cases, you will need the full title to search the online catalog for the location of the magazine or journal. Journal Abbreviation Sources provides links for the natural and social sciences, law, and philosophy. Or ask a librarian. Reading a Citation As you do research, you will encounter many different citation formats.