APA Citation

Webb, W. P. n. 1., & Webb, W. P. n. 1. (1931). The great plains. Nueva York: Grosset and Dunlap.

Chicago Style Citation

Webb, Walter Prescott n. 1888, and Walter Prescott n. 1888 Webb. The Great Plains. Nueva York: Grosset and Dunlap, 1931.

MLA Citation

Webb, Walter Prescott n. 1888, and Walter Prescott n. 1888 Webb. The Great Plains. Nueva York: Grosset and Dunlap, 1931.

Warning: These citations may not always be 100% accurate.