Find the "Stable URL" and copy it. It is located below the article's citation information. Do not use the Share button on the right side of the screen.
Before pasting the URL into Moodle, add this prefix: https://ezproxy.tru.ca/login?url=
In this example, your share link will now look like this: https://ezproxy.tru.ca/login?url=https://www.jstor.org/stable/20638722
Copy the modified share link and paste it into Moodle.
Stable URL located under the citation information. Do not use the Share button.