APA-viite (7. p.)

Keller, M. (2010). The unbearable heaviness of governing: The Obama administration in historical perspective. Hoover Institution Press.

Chicago-viite (17. p.)

Keller, Morton. The Unbearable Heaviness of Governing: The Obama Administration in Historical Perspective. Stanford, Calif.: Hoover Institution Press, 2010.

MLA-viite (9. p.)

Keller, Morton. The Unbearable Heaviness of Governing: The Obama Administration in Historical Perspective. Hoover Institution Press, 2010.