In Academic Search Complete (and many other databases) , the journal URL is found by:
- From the results list for your search, click on the title of the article. This takes you to the detailed record of the article. 
 
- On the detailed record page, click on the journal title. This will take you to information about the journal itself. 
 
- Scroll down until you see "publisher URL". That generally takes you to the URL you need for the citation. You might have to click through to the journal's page on the publisher's website, but it's usually easy to find.