CUMMINGS, M. C., & David Wise [joint Author]. (1981). Democracy under pressure: An introduction to the American political system (4th ed.). Harcourt Brace Jovanovich.
Citação norma ChicagoCUMMINGS, Milton C., and David Wise [joint Author]. Democracy Under Pressure: An Introduction to the American Political System. 4th ed. New York: Harcourt Brace Jovanovich, 1981.
Citação norma MLACUMMINGS, Milton C., and David Wise [joint Author]. Democracy Under Pressure: An Introduction to the American Political System. 4th ed. Harcourt Brace Jovanovich, 1981.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.