Report of the exploring expedition to the Rocky Mountains in the year 1842 :
and to Oregon and North California in the years 1843-44 /
by Brevet Captain J. C. Frémont ; printed by order of the Senate of the United States.

APA Citation

Frémont, J. Charles., Preuss, C., Tower, J. T. (Joseph Tuckerman)., Torrey, J., Hall, J., United States. Army. Corps of Engineers. (1845). Report of the exploring expedition to the Rocky Mountains in the year 1842: and to Oregon and North California in the years 1843-44. Washington: Gales and Seaton, printers.

MLA Citation

United States. Army. Corps of Engineers, et al.. Report of the Exploring Expedition to the Rocky Mountains In the Year 1842: And to Oregon And North California In the Years 1843-44. Washington: Gales and Seaton, printers, 1845.

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