Zotero is a tool that enables the management of citations and PDFs and the citing of sources while writing papers and assignments.
"EndNote 20, the world’s essential reference management tool, helps you save time, stay organized, collaborate with colleagues, and ultimately, get published. So, you can focus on what matters most: your ideas."
Note that York university Libraries does not subscribe to Endnote.Therefore you will need to purchase the software using your own funds and any support you need will be provided by those librarians who use Endnote.