When searching in the PSU Library catalog, you can find a citation generator for MLA, APA, or the Chicago Manual of Style under each tab by selecting Send to then Citation.
With these tools you can collect book and article citations from the library catalog and databases. Then using a plugin for MS Word, you can insert those citations into your paper in the appropriate format.
See the library guide, Manage Citations with Zotero, Mendeley, and EndNote, on how to use these tools.
This video describes how citation managers like Zotero and Mendeley can help you with your research by organizing your citations, research articles, and references.
This video compares the differences between Zotero and Mendeley, two citation managers recommended for researchers at Portland State.