Cita APA (7th ed.)

GETTLELL, R. G. History of political thought, ;. Allen & Unwin.

Cita Chicago (17th ed.)

GETTLELL, Raymond Garfield. History of Political Thought, ;. London: Allen & Unwin.

Cita MLA (9th ed.)

GETTLELL, Raymond Garfield. History of Political Thought, ;. Allen & Unwin.