Zotero

Zotero allows you to export individual citation items or whole collections for use in other documents. 

To export a collection:

From Zotero Desktop/Standalone

1. Find the correct collection (or select individual items or multiple items in My Library using the Shift key)
2. Right-click on the collection name (or grouped items) and choose "Create Bibliography from Collection"
3. Options on this page control how to use your list. You can:
   1. Choose the Citation Style
   2. Export either your notes from the items or the whole citation list 
   3. Save as a rich text format (RTF) which can be added to a document in Word or Pages
   4. Save as HTML, a web format
   5. Copy to clipboard and paste into another document BUT you will use the citation formatting
   6. Print to computer

From Zotero Online (Zotero.org)

1. Find the correct collection
2. Select the items you want to export (you can select all by checking the top box above the library list)
3. Select the citation list icon
   
4. A box will appear to let you choose a citation style and copy/paste your list text
5. 

Video Instructions on Creating Bibliographies in Zotero