Need help figuring out how to cite a plurality opinion? Unsure about when to use a pincite? Authoritative guidance on these and other common Bluebook questions is now available online. The editors of the Bluebook have introduced Blue Tips, a collection of the most useful answers to questions posed by Bluebook users. The tips are organized by subjects such as cases, quotations, and signals. Bluebook users are encouraged to submit reasonable questions on subjects covered by the Bluebook to firstname.lastname@example.org. The answers to your questions may be formulated into new Blue Tips!