Sign up for a free account, via your Google, Facebook account or via your email address. The free account only allows you to work on the bibliography live, to save your bibliography you will require a premium account. However, you can download your progress at any time for free.
Firstly, add a reference to your bibliography, choose from website, journal, book or multiple other sources. Once the source type is selected, either use the search bar or manually add.
Once you have added all your references, next, choose the citation style as required by your institute, pick from Harvard, APA and many others.
Finally, edit/export your bibliography.