What kind of source is it? Scholarly? Popular?
Who wrote it? What are their credentials?
What choices does the author make to establish the credibility and authority of the information they are sharing or the point they are arguing? Or is there something missing that would give this more authority on this particular topic?
Is it an authority that you can establish quickly or that requires deeper digging?
In what context might this authority be helpful? (if any)
Skim your assigned text, (or, if it's long, look at the structure and look at a sampling of the text). Identify the kind of publication that it is and answer the other questions written to the left: