APA-referens (7:e uppl.)
Higgens-Evenson, R. R. (2003). The Price of progress: Public services, taxation, and the American corporate state, 1877 to 1929. Johns Hopkins University Press.
Chicago-referens (17:e uppl.)
Higgens-Evenson, R. Rudy. The Price of Progress: Public Services, Taxation, and the American Corporate State, 1877 to 1929. Baltimore: Johns Hopkins University Press, 2003.
MLA-referens (9:e uppl.)
Higgens-Evenson, R. Rudy. The Price of Progress: Public Services, Taxation, and the American Corporate State, 1877 to 1929. Johns Hopkins University Press, 2003.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.