Cita APA (7a ed.)

Hargrove, E. C., & Nelson, M. (1984). Presidents, politics, and policy. Johns Hopkins University Press.

Cita Chicago Style (17a ed.)

Hargrove, Erwin C., e Michael Nelson. Presidents, Politics, and Policy. Baltimore: Johns Hopkins University Press, 1984.

Cita MLA (8a ed.)

Hargrove, Erwin C., e Michael Nelson. Presidents, Politics, and Policy. Johns Hopkins University Press, 1984.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.