Map showing irrigation ditches on Republican and Frenchman rivers and their tributaries in Chase, Dundy, Hayes, Hitchcock & Red Willow counties, Nebraska / State Engineer's Office ; A.B. McCoskey.
MLA
Engineer, Nebraska. State. Map Showing Irrigation Ditches on Republican and Frenchman Rivers and Their Tributaries in Chase, Dundy, Hayes, Hitchcock & Red Willow Counties, Nebraska / State Engineer's Office ; A.B. McCoskey. State Engineer's Office?], 1900. https://collections.library.yale.edu/catalog/15814800.
APA, 6th edition
Engineer, N. S. (1900). Map showing irrigation ditches on Republican and Frenchman rivers and their tributaries in Chase, Dundy, Hayes, Hitchcock & Red Willow counties, Nebraska / State Engineer's Office ; A.B. McCoskey. [Maps]. State Engineer's Office?], https://collections.library.yale.edu/catalog/15814800.
