Bengen, W. P. (2025). A richer retirement: Supercharging the 4% rule to spend more and enjoy more. Wiley.
Cita Chicago Style (17a ed.)Bengen, William P. A Richer Retirement: Supercharging the 4% Rule to Spend More and Enjoy More. Hoboken, New Jersey: Wiley, 2025.
Cita MLA (8a ed.)Bengen, William P. A Richer Retirement: Supercharging the 4% Rule to Spend More and Enjoy More. Wiley, 2025.
Precaución: Estas citas no son 100% exactas.