Cita APA (7th ed.)

Black, A. (1993). Political thought in Europe: 1250-1450. Univ. Pr.

Cita Chicago (17th ed.)

Black, Antony. Political Thought in Europe: 1250-1450. Cambridge: Univ. Pr, 1993.

Cita MLA (9th ed.)

Black, Antony. Political Thought in Europe: 1250-1450. Univ. Pr, 1993.