bluebook
Bluebook. The citation guide — formerly titled A Uniform System of Citation — that is generally considered the authoritative reference for American legal citations. • The book’s complete title is The Bluebook: A Uniform System of Citation. Although it has been commonly called the Bluebook for decades, the editors officially included Bluebook in the title only in the mid-1990s. The book is compiled by the editors of the Columbia Law Review, the Harvard Law Review, the University of Pennsylvania Law Review, and The Yale Law Journal. Cf. ALWD CITATION MANUAL.