Congressional district vote map of the United States / designed by Fred B. Perkins ; drawn by Whitman & Breck.
MLA
Perkins, Frederic B. (Frederic Beecher), 1828-1899. Congressional district vote map of the United States / designed by Fred B. Perkins ; drawn by Whitman & Breck.. BRBL_00410. 1880. https://collections.library.yale.edu/catalog/15603719.
APA, 6th edition
Perkins, Frederic B. (Frederic Beecher), 1828-1899. (["BRBL_00410"])(1880)[Congressional district vote map of the United States / designed by Fred B. Perkins ; drawn by Whitman & Breck.]. https://collections.library.yale.edu/catalog/15603719.