This is the new official guide to MLA style. The library has several copies in its Reference section on the 1st Floor that you can use inside the library, and has other copies on the 3rd Floor that you can check-out.
The MLA 8th Edition handbook, released in April 2016, includes major changes to the citation process. This page highlights a few of the differences between MLA 7 and MLA 8.
We're offline, but you can email us (libweb@wou.edu) and we'll get back to you as soon as we can. In the meantime, check our FAQ to see it the answer to your question is there.