Cornell University School of Law Legal Citations"This work first appeared in 1993. It was most recently revised in November of 2020 to take account of a new edition of The Bluebook (the 21st). Like all prior revisions this one included a thorough review of the relevant rules of appellate practice of federal and state courts. The guide also takes account of the latest editions of the ALWD Guide to Legal Citation (2017), published in 2015, and The Supreme Court's Style Guide. Point-by-point, it is linked to the free citation guide, The Indigo Book."