APA (7th ed.) Citation

Ross, J. F. (2018). The promise of the Grand Canyon: John Wesley Powell's perilous journey and his vision for the American West. Viking.

Chicago Style (17th ed.) Citation

Ross, John F. The Promise of the Grand Canyon: John Wesley Powell's Perilous Journey and His Vision for the American West. New York, New York: Viking, 2018.

MLA (9th ed.) Citation

Ross, John F. The Promise of the Grand Canyon: John Wesley Powell's Perilous Journey and His Vision for the American West. Viking, 2018.