Our APA 7th online referencing guide explains how to reference a journal article. It includes multiple examples of journal references and in-text citations.
A journal article reference usually requires:
A DOI (Digital Object Identifier) is a set of numbers and letters assigned to an electronic publication. The DOI gives an unchanging and unique link to the location on the Internet. If an electronic journal article has a DOI, always include it at the end of the reference, as this makes the article easier to find.
A DOI usually begins with 10 and is often found in the form of a hyperlink beginning http://doi.org or preceded with the letters doi:
In the Summon results list, click on Preview under an article, to show more information. This will usually list the key referencing information, including the DOI, if one is available. If these details are not shown in the preview, they may be found by clicking on the Full Text Online link or on the article PDF.