also known as fugitive or invisible literature because of its elusive nature.
It can supplement the formal books and articles you use for your research. Grey lit may be more current than published works or offer different perspectives that you want to consider and cite.
Some examples: working papers, internal planning documents, conference proceedings, and white papers. GreyNet's list shows more.
Grey lit is created by governments, universities, corporations, think tanks, non-governmental and professional organizations, ...
Alternative spelling: gray literature
typically lead you to materials created from the mid-1990s to the present. When searching for your topic try including a site limit to target the literature produced by a type of organization, group, or government, etc.
For example here are 5 ways to limit:
This search will only retrieve sites with .org in the url.
track grey literature that may be buried deep in the web, or in a library collection, or is older.
2 minute video from Western Libraries, linked with permission.
The citation style and the type of document you are working with dictate how you cite it in your work.
Refer to a guide for the particular style you are using (for example, APA, Chicago, MLA, ...) and follow the format for the type of document you need to cite, for example: