Distinguish between
"Essay" in a book: Despite the presence of the icon labelled "Periodical", the following is the record of an "Essay" in a book:
To find full text in (or consisting of) a book, you must secure the book. And to secure the book, you must look it up in (and if necessary request it via) the Library's discovery system:
"Article" in a journal or "periodical": The full text of "articles" in journals or "periodicals", on the other hand, can be secured as outlined below:
To find full text of an "article" cited in an SPU database, click through the options highlighted in red below (EBSCO example). Keep in mind, though that the SPU databases do not alert you to the presence of full text at the University of Washington or Seattle University (red carat):
To find the full text of an "article" not cited in an SPU database, but rather elsewhere (in the pericope-specific bibliography located in a commentary, for example), follow the steps outlined at Finding the Full Text.