Some published works have a significant impact on their own or other disciplines, while others have less influence. While there is no one way to tell what impact an article or book has had, here are some things to look at:
For a book:
For an article:
Note: Scopus and Google Scholar are great ways to see connections between sources and authors, but their "cited by" lists are not comprehensive. Scopus also focuses on the natural and social sciences and has less information on humanities sources.
Finding Citations in Scopus
In Scopus, to sort results by citation frequency find the "Sort on" option at the upper right of the results page and select "Cited by."
When looking at a single information record in Scopus, you can view who has cited the record in the "Cited by" box in the upper right.