"Reference sources are authoritative works that help you locate information about people, facts, and ideas. These sources can help you find the date of an important event, major achievements of an individual or organization, or a definition of a term or concept. These books are often used to find specific facts, rather than written to be read cover-to-cover..."
Source: Research Like a Librarian blog
In short, no.
Background and reference sources tend to cover two kinds of information-- historical overviews and common knowledge-- that you don't need to cite. For more information on this, please see
Always check with your instructor if you have any doubts about what to cite!