Explorer on the northern plains :
Lieutenant Gouverneur K. Warren's Preliminary report of explorations in Nebraska and Dakota, in the years 1855-'56-'57 /
introduction by Frank N. Schubert.

APA Citation

Warren, G. Kemble., Schubert, F. N., United States. Army. Corps of Engineers. Historical Division. (1981). Explorer on the northern plains: Lieutenant Gouverneur K. Warren's Preliminary report of explorations in Nebraska and Dakota, in the years 1855-'56-'57. Washington, D.C.: Historical Division, Office of Administrative Services, Office of the Chief of Engineers .

MLA Citation

Warren, Gouverneur Kemble, 1830-1882, Frank N Schubert, and United States. Army. Corps of Engineers. Historical Division. Explorer On the Northern Plains: Lieutenant Gouverneur K. Warren's Preliminary Report of Explorations In Nebraska And Dakota, In the Years 1855-'56-'57. Washington, D.C.: Historical Division, Office of Administrative Services, Office of the Chief of Engineers , 1981.

Warning: These citations may not always be complete (especially for serials).