APA-viite (7. p.)
Dulio, D. A., & Nelson, C. J. (2005). Vital signs: Perspectives on the health of American campaigning. Brookings Institution Press.
Chicago-viite (17. p.)
Dulio, David A., ja Candice J. Nelson. Vital Signs: Perspectives on the Health of American Campaigning. Washington, D.C.: Brookings Institution Press, 2005.
MLA-viite (9. p.)
Dulio, David A., ja Candice J. Nelson. Vital Signs: Perspectives on the Health of American Campaigning. Brookings Institution Press, 2005.
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