Cite
PHYSIOGRAPHIC DIVISIONS OF THE UNITED STATES.
MLA
Fenneman, Nevin M. “Physiographic Divisions of the United States.” Annals of the Association of American Geographers, vol. 18, no. 4, Dec. 1928, pp. 261–353. EBSCOhost, https://doi.org/10.1080/00045602809357034.
APA
Fenneman, N. M. (1928). Physiographic Divisions of the United States. Annals of the Association of American Geographers, 18(4), 261–353. https://doi.org/10.1080/00045602809357034
Chicago
Fenneman, Nevin M. 1928. “Physiographic Divisions of the United States.” Annals of the Association of American Geographers 18 (4): 261–353. doi:10.1080/00045602809357034.