APA (7th ed.) Citation

Webb, W. P. (1931). The great plains. Grosset-Dunlap.

Chicago Style (17th ed.) Citation

Webb, Walter Prescott. The Great Plains. Nueva York: Grosset-Dunlap, 1931.

MLA (9th ed.) Citation

Webb, Walter Prescott. The Great Plains. Grosset-Dunlap, 1931.

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