Kettering, C. (2025, December 28). Charles Kettering quote. Quotesia. Retrieved from https://quotesia.com/charles-kettering-quote/894960
Kettering, Charles. “Charles Kettering quote”. Quotesia. 28 Dec. 2025: https://quotesia.com/charles-kettering-quote/894960.
Kettering, C. (2025). Quotesia [Online]. Available at: https://quotesia.com/charles-kettering-quote/894960 (Accessed: December 28 2025).
Kettering, Charles. “Charles Kettering quote” Quotesia. https://quotesia.com/charles-kettering-quote/894960 (accessed December 28, 2025).
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