Here is a list of EndNote Output Style created by our own NUS Librarians which you can download for free. Please contact us via email if you have any other queries about EndNote Output Styles.
Here are the installation steps for the EndNote Output Style files that you have downloaded from NUS LIbraries or from the EndNote Repository
In addition to the EndNote Output styles that you can download from us, you can also download other EndNote Output styles and submit a request for the creation of a new output style at the Official EndNote Style Repository that is managed by the Clarivate Analytics.