Upton, W. B., & Upton, W. B. (1970). Landforms and topographic maps: Illustrating landforms of the Continental United States. New York, New York: Willey.
Chicago Style CitationUpton, William Bayly, and William Bayly Upton. Landforms and Topographic Maps: Illustrating Landforms of the Continental United States. New York, New York: Willey, 1970.
MLA CitationUpton, William Bayly, and William Bayly Upton. Landforms and Topographic Maps: Illustrating Landforms of the Continental United States. New York, New York: Willey, 1970.
Warning: These citations may not always be 100% accurate.