Please talk to your instructor about which citation style you should use. See Augustana's QuickGuides for citation help.
To learn about beginning a research project, as well as understanding, finding, evaluating, and citing sources, try the U of A Libraries' Tutorials.
To determine whether a journal is peer reviewed, search for it in Ulrich's Periodicals Directory and look for the little referee symbol: .
If you need an article that's not available in the University of Alberta Libraries collections, please use the Interlibrary Loan service.