To create a bibliography from a collection, right-click on the collection icon.
There is an integrated Zotero toolbar in Word, LibreOffice and Google Docs. You can only use this toolbar if Zotero is running.
: opens a search window 
which allows you to search for citations in your Zotero library, to select the style and insert the citation. For certain styles requiring footnotes, Zotero creates automatically the footnote and insert the citation inside. You can also add a page number, a prefix or a suffix to a citation.
: creates automatically a bibliography with all the references cited in your text.
: allows you to change the style of your references.
You can easily insert bibliographic references in any text field in your Web browser, such as an e-mail, a Google Docs document, a blog... Just drag and drop the reference, the citation will appear fully formatted in the default style. To set or change your default style, select Options in the Tools menu, then Export and choose the style from the drop-down menu.
12 styles are provided with the programme, but thousands of others can be downloaded on the Web site.
Select Preferences in the Edit menu -> Cite, and click on Style Preview
Select a reference, click on Refresh, and you can preview the reference in all the styles available in your Zotero...
RTF/ODF Scan for Zotero is an add-on for Zotero that allows users to insert citation markers into any document saved as .odt (for instance in Google Docs or Scrivener) and then convert them into active Zotero citations. Additional information can be found here.
Zotpress makes it easier to publish bibliographic references on your blog.
