EndNote Web is a citation manager. EndNote Basic is an online-only version of EndNote which you can get for free as a UofT student. Get up to 2GB of Web storage for file attachments and increased storage for up to 50,000 references.
To create your account register directly on the EndNote Basic homepage:
https://www.myendnoteweb.com/EndNoteWeb.html
EndNote works with the ACM Digital Library materials. To export citations: