APA-viite

Harpe, G. G. (1959). Masters of political thought: Hegel to Dewey. Oxford University.

Chicago-tyylinen lähdeviittaus

Harpe, George G. Masters of Political Thought: Hegel to Dewey. London: Oxford University, 1959.

MLA-viite

Harpe, George G. Masters of Political Thought: Hegel to Dewey. Oxford University, 1959.