If you are new to SWOT analysis, check out this definition from A Dictionary of Business & Management.
If your instructor has asked you to do a SWOT analysis, be sure to check if you are to create one from scratch, or if you are allowed to review ones created by professionals.
When searching in Business Source Premier, enter the company name and in the second box, enter SWOT as a title (not a keyword).
If you use a SWOT analysis from a database, don't forget to cite! We have a full guide to APA.
More info is available on the left part of this guide, labeled APA Business Citations.