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MLA

Whitfield, Charles J. (Charles James), and John A. (John Albright) Perrin. "Sand-dune Reclamation In the Southern Great Plains." ,

APA

Whitfield, C. J. (Charles James), & Perrin, J. A. (John Albright). (1939). Sand-dune reclamation in the southern Great Plains.

Chicago

Whitfield, Charles J. (Charles James), and John A. (John Albright) Perrin. "Sand-dune reclamation in the southern Great Plains" (1939):