APA (7th ed.) Citation

Webb, W. P., & Graybill, A. R. (2022). The Great Plains, Second Edition (2nd ed.). Nebraska.

Chicago Style (17th ed.) Citation

Webb, Walter Prescott, and Andrew R. Graybill. The Great Plains, Second Edition. 2nd ed. Lincoln: Nebraska, 2022.

MLA (8th ed.) Citation

Webb, Walter Prescott, and Andrew R. Graybill. The Great Plains, Second Edition. 2nd ed. Nebraska, 2022.