Landforms of the northwestern states / by Erwin Raisz, Harvard University.
MLA
Raisz, Erwin, 1893-1968. Landforms of the northwestern states / by Erwin Raisz, Harvard University.. BRBL_00537. c1941.. https://collections.library.yale.edu/catalog/15812985.
APA, 6th edition
Raisz, Erwin, 1893-1968. (["BRBL_00537"])(c1941.)[Landforms of the northwestern states / by Erwin Raisz, Harvard University.]. https://collections.library.yale.edu/catalog/15812985.