Endnote is a SOFTWARE program that:
Maintains references and creates your bibliography.
Stores and organizes citations found many sources.
Inserts these citations into a Word document, and
Automatically format your references according to a predefined citation style.
References just need to be entered once.
References can be imported from search engine to eliminate typographical errors.
References are stored in a data base and can be sorted on any of the features of the database, e.g. year, author, title