From the article's landing page, click "Cite" from the right-side of the article. You will receive a pop-up window that contains the URL that you need.
You can also click on the "Abstracts/Details" tab and scroll down to the field labeled "Document URL". Copy this address.
Taylor & Francis displays the permanent link prominantly on the article landing page. They use a DOI; copy the whole URL.
In JSTOR, the stable URL is easy to find on the article landing page.
From the article landing page, look to the right and find chain link icon that says "Permalink". Click, and copy the URL that appears.
Click on the article title showing the bibliographic information, copy the url.
