Cita APA (7a ed.)

Sklar, M. J. (1992). The United States as a developing country: Studies in U.S. history in the progressive era and the 1920s. Cambridge University Press.

Cita Chicago Style (17a ed.)

Sklar, Martin J. The United States as a Developing Country: Studies in U.S. History in the Progressive Era and the 1920s. Cambridge: Cambridge University Press, 1992.

Cita MLA (9a ed.)

Sklar, Martin J. The United States as a Developing Country: Studies in U.S. History in the Progressive Era and the 1920s. Cambridge University Press, 1992.