Choosing Styles in EndNote X6 from UHM SciTech on Vimeo. from UHM SciTech on Vimeo.
Choosing Citation Styles in EndNote X7
1. In EndNote, Select Edit → Output Styles → Open Style Manager
2. Place a check in the box next to the citation styles you wish to use
3. Close Style Manager
4. Select a citation styles from the drop-down menu at the top of the EndNote Library