Often, which citation style you should use depends on which academic discipline you are conducitng research for.
For example:
Be sure to always ask your teacher/professor which style guidelines they prefer you use in their specific course.
http://www.citationmachine.net/
Do not rely on a citation generator to always cite an item correctly. Always double check the generated citation against the MLA handbook's latest rules and guidelines.
How to set up a Microsoft Word document in MLA format from a template.
How to set up a Google Doc in MLA format from a template.