Cite

Sketches and surveys made during the exploratory tour of 1857 to Nebraska and Dakota under Lt. G. K. Warren 1857

MLA

Engle, Paul Max, d. 1862. Sketches and surveys made during the exploratory tour of 1857 to Nebraska and Dakota under Lt. G. K. Warren 1857. https://collections.library.yale.edu/catalog/33410330.

APA, 6th edition

Engle, Paul Max, d. 1862. [Sketches and surveys made during the exploratory tour of 1857 to Nebraska and Dakota under Lt. G. K. Warren 1857]. https://collections.library.yale.edu/catalog/33410330.