To find a specific article for which you have a citation, use the Citation Search tool.
Go to the Search Tools section of the Campbell Library homepage and select Citation Search. The Citation Search function is also available on the menu bar of the Library Search interface.
Fill out the form with the complete citation for the article - article title, author names, publication title, year, and volume/issue or DOI number.
Prothero, Donald R. Species longevity in North American fossil mammals. Integrative Zoology, August 2014. Vol. 9, Iss. 4, pages 383-393.
Enter the citation into the appropriate fields in the online form, then click on Submit in the bottom right of the page.
For this example article, there are two databases which will take you to this article: EBSCO and Wiley. EBSCO doesn't have access to articles published in the past year, but this is a 2014 article so either database will work.
Click on one of the database links to access the article.