Here are some resources for MLA (Modern Language Association) Style:
Here is a link to the Chicago Manual of Style Online:
Every semester, on an on-going basis, the Yale Library offers several literature review and bibliography workshops, as well as workshops dedicated to using different citation management programs like RefWorks and Zotero and workshops dedicated to learning how to avoid plagiarism. You can find a list of workshops offered here.
The Yale Software Library offers a number of licensed reference management programs that can be used by the community. Perhaps the most popular is RefWorks.
Zotero is another popular option and is freely available online.
For more information and an overview of several of the resources that are available, consult our citation management guide.