One of the key mechanisms that allows Wikipedia to maintain its high quality is the use of inline citations. Through citations, readers and editors make sure that information in an article accurately reflects its source. As Wikipedia’s verifiability policy mandates, “material challenged or likely to be challenged, and all quotations, must be attributed to a….

2019 marks the fourth year of #1Lib1Ref, an annual campaign that asks everyone to jump in and improve Wikipedia by adding at least one citation. In doing so, they help improve the reliability and authenticity of the site for billions of readers. Though literally meaning “One Librarian, One Reference”, #1Lib1Ref has grown to include archivists,….

In celebration, and to mark the progress made, we've designated this month as Open Citations Month.

The annual #1lib1ref campaign asks librarians to add a citation to a reliable source to Wikipedia—and it's easy to get involved.

Wikipedia editors can now draw on WorldCat, the world’s largest database of books, to generate citations on Wikipedia thanks to a collaboration between OCLC (Online Computer Library Center) and the Wikimedia Foundation's Wikipedia Library program.