Account of an expedition from Pittsburgh to the Rocky Mountains : performed in the years 1819 and '20, by order of the Hon. J.C. Calhoun, Sec'y of War ; under the command of Major Stephen H. Long : from the notes of Major Long, Mr. T. Say, and other gentlemen of the exploring party
MLA
James, Edwin, 1797-1861, compiler. Account of an expedition from Pittsburgh to the Rocky Mountains : performed in the years 1819 and '20, by order of the Hon. J.C. Calhoun, Sec'y of War ; under the command of Major Stephen H. Long : from the notes of Major Long, Mr. T. Say, and other gentlemen of the exploring party. 1822-1823.. https://collections.library.yale.edu/catalog/16738933.
APA, 6th edition
James, Edwin, 1797-1861, compiler. (1822-1823.)[Account of an expedition from Pittsburgh to the Rocky Mountains : performed in the years 1819 and '20, by order of the Hon. J.C. Calhoun, Sec'y of War ; under the command of Major Stephen H. Long : from the notes of Major Long, Mr. T. Say, and other gentlemen of the exploring party]. https://collections.library.yale.edu/catalog/16738933.
