This is a cheat post. Someone – book expert Jane Friedman – has already done the work in the flow chart below. The reason why you need this information is simple: to avoid being sued for copyright infringement. In this internet age, we create and share everything from photos to graphics to quotes without attribution, and authors even do so in their self-published works. Jane makes it plain and easy to understand.
We didn’t ask permission to share but we are going to attribute Jane properly. You can find this chart and accompanying information here: A Basic Guide to Getting Permissions + Sample Permissions Letter.