Cita APA (7a ed.)

Dulio, D. A., & Nelson, C. J. (2005). Vital signs: Perspectives on the health of American campaigning. Brookings Institution Press.

Cita Chicago Style (17a ed.)

Dulio, David A., y Candice J. Nelson. Vital Signs: Perspectives on the Health of American Campaigning. Washington, D.C.: Brookings Institution Press, 2005.

Cita MLA (8a ed.)

Dulio, David A., y Candice J. Nelson. Vital Signs: Perspectives on the Health of American Campaigning. Brookings Institution Press, 2005.