Below are some of the better-known citation management programs available. Each has its own strengths and weaknesses. They also change and improve their functionality frequently.
There are many other citation management programs available and you may wish to use one of them. We offer limited help with those products. We provide robust support for RefWorks because JHU has an institutional subscription for that product.
There are many different tools available to help you
These products change constantly, so keeping up can be difficult. This 2015 Nature piece reviews the 8 most popular tools. You can also use the Comparison of Reference Management Software entry in Wikipedia for your general questions.