Cita APA (7a ed.)

Williams, R. H. (1978). Years of decision: American politics in the 1890s. Wiley.

Cita Chicago Style (17a ed.)

Williams, R. Hal. Years of Decision: American Politics in the 1890s. New York: Wiley, 1978.

Cita MLA (8a ed.)

Williams, R. Hal. Years of Decision: American Politics in the 1890s. Wiley, 1978.