scholarly source is something you are wouldn't pick up and read just
for fun; it is intended for educational or professional purposes, not
It is written by a person with a lot of education and experience with
that subject area. It went through a rigorous process of editing and
approval before being published. It cites sources and lists references.
It uses formal language without slang - often using jargon related to a
specific academic field. It often is lengthy and doesn't have
advertisements, a lot of photos, or color.