Creating bibliographies in Zotero is easy:
1. Highlight one or more references in the center column of your Zotero Library.
2. Right click and select "Create Bibliography from Selected Items."
3. Choose your citation style and output format.
You can also follow these steps to create a bibliography from one of your folders in the left column. Right click on a folder, select "Create Bibliography from Collection", and choose your citation style and output format.