Killion, V. L. (2019). The first amendment: Categories of speech ([Library of Congress public edition].). Congressional Research Service.
Chicago Style (17th ed.) CitationKillion, Victoria L. The First Amendment: Categories of Speech. [Library of Congress public edition]. [Washington, D.C.]: Congressional Research Service, 2019.
MLA (9th ed.) CitationKillion, Victoria L. The First Amendment: Categories of Speech. [Library of Congress public edition]. Congressional Research Service, 2019.
Warning: These citations may not always be 100% accurate.