Citação norma APA
Shapiro, R. Y., Kumar, M. J., & Jacobs, L. R. (2000). Presidential power: Forging the presidency for the twenty-first century. Columbia University Press.
Citação norma Chicago
Shapiro, Robert Y., Martha Joynt Kumar, and Lawrence R. Jacobs. Presidential Power: Forging the Presidency for the Twenty-first Century. New York: Columbia University Press, 2000.
Citação norma MLA
Shapiro, Robert Y., et al. Presidential Power: Forging the Presidency for the Twenty-first Century. Columbia University Press, 2000.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.