Hargrove, E. C., & Nelson, M. (1984). Presidents, politics, and policy. Johns Hopkins University Press.
Cita Chicago Style (17a ed.)Hargrove, Erwin C., y Michael Nelson. Presidents, Politics, and Policy. Baltimore: Johns Hopkins University Press, 1984.
Cita MLA (8a ed.)Hargrove, Erwin C., y Michael Nelson. Presidents, Politics, and Policy. Johns Hopkins University Press, 1984.
Precaución: Estas citas no son 100% exactas.