[Sectional land map of the B. & M.R.R. lands for sale in eastern Nebraska].
MLA
[Sectional Land Map of the B. & M.R.R. Lands for Sale in Eastern Nebraska]. s.n., 1880. https://collections.library.yale.edu/catalog/15814780.
APA, 6th edition
[Sectional land map of the B. & M.R.R. lands for sale in eastern Nebraska]. (1880). [Maps]. s.n., https://collections.library.yale.edu/catalog/15814780.