You can contact The Banner office at editorial@thebanner.org, or call them at 800-333-8300 or 616-224-0732. The Banner staff will try to locate the article and copy it for you. In exchange, you will be asked to send a $5 donation to The Banner to cover costs.
You can contact your local public library and ask them to get the article through Interlibrary loan (ILL). You may wish to find information on your U.S. or Canadian local library.