This video is from Western Libraries at Western University.
Journals by Title: This search identifies scholarly journals and links to full text the library has available.
Ulrich's International Periodicals Directory: Entries include information about whether the journal or magazine is a scholarly journal, consumer magazine, etc.
Research Databases: Some allow you to limit your search to scholarly journals.
Paper journals: Frequently include instruction for authors in the front or back of the journal. Some instructions will use the phrase "peer reviewed." Others will say that manuscripts are sent for blind review, reviewed by a committee, or anonymously reviewed.