RefWorks is an online tool that helps you manage citations and create formatted bibliographies in various output styles (e.g. APA, AMA, Chicago). It is a fee-based tool that UMass Amherst Libraries pays for, so you can create an account for free. However, our subscription will end on July 31, 2021, so if you are just starting out with a citation manager, I recommend you choose a different option.
"Academic dishonesty is prohibited in all programs of the University. Academic dishonesty includes but is not limited to: cheating, fabrication, plagiarism, and facilitating dishonesty." University of Massachusetts Amherst Academic Honesty Policy and Appeal Procedure
Here are some links for more information about avoiding academic dishonesty:
Not only do you need to cite your sources, but you need to format them according to a particular style. Your professor will often ask you to use a certain style in your paper. Here is information about the styles commonly used in the humanities and social sciences: