
What's a periodical?
A periodical is a magazine, journal, newspaper, or similar item that comes out periodically, i.e. once a week, month, etc.
It's good to be able to distinguish between scholarly and non-scholarly periodicals, especially for more advanced research.
| 
 |  | 
| Magazines
 | Scholarly Journals
 | 
If you have a journal or article and you need to check if it is peer reviewed, use the Ulrich's Periodical Directory database.


You'll see something like this:
 
It's important to know the parts of a citation so you can interpret it correctly. You must have at least the Journal name, volume, issue, and page number to be able to locate the article.