Sumner, W. G. (2025, October 4). William Graham Sumner quote. Quotesia. Retrieved from https://quotesia.com/william-graham-sumner-quote/749968
Sumner, William Graham. “William Graham Sumner quote”. Quotesia. 4 Oct. 2025: https://quotesia.com/william-graham-sumner-quote/749968.
Sumner, W. G. (2025). Quotesia [Online]. Available at: https://quotesia.com/william-graham-sumner-quote/749968 (Accessed: October 4 2025).
Sumner, William Graham. “William Graham Sumner quote” Quotesia. https://quotesia.com/william-graham-sumner-quote/749968 (accessed October 4, 2025).
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