Cita APA (7th ed.)

Campbell, J. E. (1997). The presidential pulse of congressional elections (Second edition.). The University Press of Kentucky.

Cita Chicago (17th ed.)

Campbell, James E. The Presidential Pulse of Congressional Elections. Second edition. Lexington, Kentucky: The University Press of Kentucky, 1997.

Cita MLA (9th ed.)

Campbell, James E. The Presidential Pulse of Congressional Elections. Second edition. The University Press of Kentucky, 1997.