For general help on citation, check out the resources at the Purdue Owl. It has help on many different citation styles.
But you shouldn't need to create your citations yourself! See the box "Where do I get citations for my sources" for a better solution.
Plagiarism is using other people's work without giving them credit. For example:
Plagiarism will get you into trouble! You can avoid this through proper citation.
When you find resources via the library website, there will almost always be an option to get the citation. Usually it is represented with a quote icon. For example, it might look like this:
Click on the icon to see your citation options. You will be able to select MLA style from a list of options.