If you have the DOI (Digital Object Identifier) for a specific article, you can use this format for a persistent URL to the article:
http://libproxy.wustl.edu/login?url=http://dx.doi.org/XX.XXXX/XXXXXX
(Insert the DOI in place of the XX in the URL.)
Example: http://libproxy.wustl.edu/login?url=https://doi.org/10.1353/pla.2013.0037