Account of an expedition from Pittsburgh to the Rocky Mountains, performed in the years 1819 and 1820 : by order of the Hon. J.C. Calhoun, Secretary of War, under the command of Maj. S.H. Long, of the U.S. Top. Engineers : compiled from the notes of Major Long, Mr. T. Say, and other gentlemen of the party / by Edwin James, botanist and geologist to the expedition ; in three volumes.
MLA
Clark, J., engraver, Hall, Sidney, engraver, James, Edwin, 1797-1861, Long, Stephen Harriman, 1784-1864, Say, Thomas, 1787-1834, Seymour, Samuel, fl. 1797-1822, ill, United States. War Dept. Account of an expedition from Pittsburgh to the Rocky Mountains, performed in the years 1819 and 1820 : by order of the Hon. J.C. Calhoun, Secretary of War, under the command of Maj. S.H. Long, of the U.S. Top. Engineers : compiled from the notes of Major Long, Mr. T. Say, and other gentlemen of the party / by Edwin James, botanist and geologist to the expedition ; in three volumes.. 1823. https://collections.library.yale.edu/catalog/16598947.
APA, 6th edition
Clark, J., engraver, & Hall, Sidney, engraver, & James, Edwin, 1797-1861, & Long, Stephen Harriman, 1784-1864, & Say, Thomas, 1787-1834, & Seymour, Samuel, fl. 1797-1822, ill, & United States. War Dept. (1823)[Account of an expedition from Pittsburgh to the Rocky Mountains, performed in the years 1819 and 1820 : by order of the Hon. J.C. Calhoun, Secretary of War, under the command of Maj. S.H. Long, of the U.S. Top. Engineers : compiled from the notes of Major Long, Mr. T. Say, and other gentlemen of the party / by Edwin James, botanist and geologist to the expedition ; in three volumes.]. https://collections.library.yale.edu/catalog/16598947.
