APA (7th ed.) Citation

Trenton, P., & Hassrick, P. H. (1983). The Rocky Mountains: A vision for artists in the nineteenth century (First edition.). University of Oklahoma Press.

Chicago Style (17th ed.) Citation

Trenton, Patricia, and Peter H. Hassrick. The Rocky Mountains: A Vision for Artists in the Nineteenth Century. First edition. Norman: University of Oklahoma Press, 1983.

MLA (9th ed.) Citation

Trenton, Patricia, and Peter H. Hassrick. The Rocky Mountains: A Vision for Artists in the Nineteenth Century. First edition. University of Oklahoma Press, 1983.