Miller, J. M. (2001). A framework for the multiple roles of librarians in problem-based learning. Medical Reference Services Quarterly, 20(3), 23-30.

Click   the New Item icon on top of the middle pane and click Journal Article as below

 

 

A list of editabel fields will appear in the right pane

 

Click to the right of the field labels to edit manually, the - and + sign to the right of the author field can be used remove or add one author. Once you fill in the content of the journal paper, the fields look like.

 

The item in the middle pane look like,

 

 

You can simply add other types of publication items in your library in the same way.