When an online source does not have a DOI, use the home page URL for the journal, newsletter, or magazine. Do not just use the URL from an online database (like Ebscohost) in your reference; go directly to the journal’s website and cite that.
Example:
Resources:
APA Manual - 7.01, p. 198-199
GradeAssist Comment Finder - http://www.educo360.com/apa-electronic-comments/
