Articles published in scholarly journals are written for a scholarly audience. Often you may be required to use scholarly articles exclusively. Therefore, it is important that you be able to distinguish between scholarly articles and other types of articles.
Some general characteristics are:
Explore the image below -- mouseover the targets to learn more about the anatomy of a scholarly article. This example uses a scholarly article, but the elements discussed also apply to scholarly books.
Ayalon, Ofira, et al. "Reduction of Plastic Carrier Bag Use: An Analysis of Alternatives in Israel." Waste Management New York, N.Y. 29.7 (2009): 2025-32. ScienceDirect. Web. 18 January 2013.