Cite

Thirty years of lynching in the United States, 1889-1918. Supplements : lynching record for 1919-[1939]

MLA

for the Advancement of Colored People, National Association. Thirty Years of Lynching in the United States, 1889-1918. Supplements : Lynching Record for 1919-[1939]. National Association for the Advancement of Colored People, 1919. https://collections.library.yale.edu/catalog/2077126.

APA, 6th edition

for the Advancement of Colored People, N. A. (1919). Thirty years of lynching in the United States, 1889-1918. Supplements : lynching record for 1919-[1939] [Bifolia, Ephemera, Pamphlets]. National Association for the Advancement of Colored People. https://collections.library.yale.edu/catalog/2077126.