Kettering, C. (2025, December 15). Charles Kettering quote. Quotesia. Retrieved from https://quotesia.com/charles-kettering-quote/117964
Kettering, Charles. “Charles Kettering quote”. Quotesia. 15 Dec. 2025: https://quotesia.com/charles-kettering-quote/117964.
Kettering, C. (2025). Quotesia [Online]. Available at: https://quotesia.com/charles-kettering-quote/117964 (Accessed: December 15 2025).
Kettering, Charles. “Charles Kettering quote” Quotesia. https://quotesia.com/charles-kettering-quote/117964 (accessed December 15, 2025).
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