Zotero is a free open-source citation manager that can help you organize your sources and generate citations. Go to zotero.org to download Zotero and create a Zotero account. You can use any of your email addresses to create your account.
This guide provides an intro to using Zotero. This guide covers:
You can find additional support documents on Zotero's website: https://www.zotero.org/support/
There are multiple ways to add sources to your Zotero library.
Learn more about adding items to Zotero: https://www.zotero.org/support/adding_items_to_zotero
ZoteroBib is free online citation generator. It is useful for quickly generating a citation that you can copy and paste. You do not need an account, and ZoteroBib will not save your sources. Go to zbib.org to use ZoteroBib.