This page assumes that you have done the things described on the page: Zotero "in the cloud": First-time Users.
Creating Zotero groups and inviting people to them is easy and well covered in the documentation.
If you have been invited to join a Zotero Group; Things to Know
Creating a Bibliography
Highlight one or more citations
Click on the icon that looks like books on a bookshelf:
Choose your citation style from the dropdown
The Big 4 Styles (mla, apa, Chicago, Turabian) are there by default
You can import one of the other 9,800 styles by clicking on the link and choosing one from the list.
Use the Copy to Clipboard button, then paste to any word processing program, email, etc.
Or, use the Save to RTF button -- sometimes the formatting is better with this option.
Remember that no automated citation system is 100% correct. Check your bibliographic entries for correct formatting – this is especially true if using APA!
If you are creating an annotated bibliography:
When you choose your Citation Style, click on the “other styles available” link.
Search for “annotated”.
There are currently only two options: choose either APA annotated or Chicago Bib-Note annotated.
To save your annotations:
Use the “Extra” field – it is always empty by default.
You can write directly into the Extra field, but that is awkward.
You can write your annotation in a word processing program and then copy and paste into the Extra field -- recommended.
If using a Mac, you might not see empty fields by default
Click on the link that says something about showing empty fields -- then you will be able to see the Extra field.
For some reason, the Zotero styles for annotated bibliographies do not indent the annotations. They should.