Newsletters are a great tool to inform your customers, clientele, or other readers about your business, organization, or department. They are often sent out following a regular, predetermined schedule (monthly, quarterly, yearly, etc.) and serve as a regular touch-point or connection with clientele.
If you are using research in your newsletter, follow APA guidelines for citing your sources. Use standard in-text citations just as you would for other papers. Your references should go in a column or section titled references, and should follow standard APA requirements for references. Contact your instructor if you have additional questions regarding APA requirements. Visit the APA Guide for help.
Learn more about professional newsletters:
Newsletters section from: The AMA Handbook of Business Writing
Writing Newsletters and Web Articles chapter from: Web Content: The Writer's Guide
Newsletters section from: The Art of Editing in the Age of Convergence