Cita APA (7a ed.)

Ambar, S. M. (2012). How governors built the modern American presidency. University of Pennsylvania Press.

Cita Chicago Style (17a ed.)

Ambar, Saladin M. How Governors Built the Modern American Presidency. Philadelphia: University of Pennsylvania Press, 2012.

Cita MLA (9a ed.)

Ambar, Saladin M. How Governors Built the Modern American Presidency. University of Pennsylvania Press, 2012.