APA (7th ed.) Zitazioa

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

Chicago Style (17th ed.) Zitazioa

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

MLA (9th ed.) Zitazioa

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