Cita APA (7th ed.)

Polsby, N. W. (1986). Congress and the presidency (4th ed.). Prentice Hall.

Cita Chicago (17th ed.)

Polsby, Nelson W. Congress and the Presidency. 4th ed. Englewood Cliffs, N. J: Prentice Hall, 1986.

Cita MLA (9th ed.)

Polsby, Nelson W. Congress and the Presidency. 4th ed. Prentice Hall, 1986.