APA (7th ed.) Citation

Humphreys, A. A., King, C., Hague, A., Hague, J. D., Meek, F. B., Hall, J., . . . Marsh, O. C. (1870). Report of the geological exploration of the fortieth parallel, made by order of the secretary of war ..

Chicago Style (17th ed.) Citation

Humphreys, Andrew Atkinson, et al. Report of the Geological Exploration of the Fortieth Parallel, Made by Order of the Secretary of War .. Washington, 1870.

MLA (9th ed.) Citation

Humphreys, Andrew Atkinson, et al. Report of the Geological Exploration of the Fortieth Parallel, Made by Order of the Secretary of War .. 1870.