EasyBib lets you search for your source, fills in as much information as it can, and formats it properly. All you have to do is fill in any missing information and proofread the citations. TIP: There is an EasyBib add-on for Google Docs.
Not quite sure how to cite an unusual source? Stuck on formatting? The Purdue Online Writing Lab's guide to MLA format and citations is an exhaustive resource. Learn to use it now - it will save you in college!