APA (7th ed.) Citation

James, E., Say, T., & Long, S. H. (1966). Account of an expedition from Pittsburgh to the Rocky Mountains. University Microfilms.

Chicago Style (17th ed.) Citation

James, Edwin, Thomas Say, and Stephen H. Long. Account of an Expedition from Pittsburgh to the Rocky Mountains. Ann Arbor [Mich.]: University Microfilms, 1966.

MLA (8th ed.) Citation

James, Edwin, et al. Account of an Expedition from Pittsburgh to the Rocky Mountains. University Microfilms, 1966.