Google Scholar is an easy way to broadly search for scholarly literature. From one place, you can search across many disciplines: peer-reviewed papers, theses, books, abstracts and articles, academic publishers, professional societies, preprints, universities and other scholarly organizations.
Your search results will display how often a document has been cited:
Clicking on "Cited by" will pull up a list of the publications that have cited a specific document.
Web of Science contains citations and abstracts from scholarly literature in the sciences, social sciences, arts, and humanities. Within Web of Science, Cited Reference Searching allows you to track prior research, see who is citing your work, measure the influence of someone's work, and navigate forward, backward and through the literature of your discipline.
Journal Citation Reports evaluate and compare journals using citation data drawn from over 7,500 scholarly and technical journals. It is the only source of citation data on journals, and includes virtually all areas of science, technology, and social sciences. Journal Citation Reports can show you the: