APA引文

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

Chicago Style (17th ed.) Citation

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

MLA引文

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