In order to organize and manage your citations, consider using a Citation Manager like Zotero. More information on Zotero and other citation managers can be found on the Citation Managers Guide.
MLA style is a popular citation style for English language and literature. Below are resources that can help you when you're formatting your bibliography and papers. Some professors (or publishers, if you are writing an article to be published) may prefer a different style, such as Chicago style, so always check before you format and submit your work. Ask a librarian if you have questions about MLA or other citation styles.