Note: The MLA considers the term e-book to refer to publications formatted specifically for reading with an e-book reader device (e.g., a Kindle) or a corresponding e-books will not have URLs or DOIs. If you are citing book content from an ordinary page with a URL, use the A Page on a Site format above. Mar 6,  · evolving sources that writers encounter today. Whether you need to cite a journal article from a database or a post from Instagram, this guide, based on the edition of the MLA Handbook,