Derks, S., Mars, L., Delgado, D., Duplessis, J., & Smith, T. (2014). The value of a dollar: Prices and incomes in the United States, 1860-2014 (Fifth edition.). Amenia, New York: Grey House Publishing.

Derks, Scott,, Laura Mars, Diana Delgado, Jim Duplessis, and Tony Smith. The Value of a Dollar: Prices and Incomes in the United States, 1860-2014. Fifth edition. Amenia, New York: Grey House Publishing, 2014.

Derks, Scott,, et al. The Value of a Dollar: Prices and Incomes in the United States, 1860-2014. Fifth edition. Amenia, New York: Grey House Publishing, 2014.