Citazione Stile APA (7a Edizione)

BROOKE, C. (1964). Europe in the central middle ages; 962-1154. Longmans.

Citazione stile Chigago Style (17a edizione)

BROOKE, Christopher. Europe in the Central Middle Ages; 962-1154. London: Longmans, 1964.

Citatione MLA (9a ed.)

BROOKE, Christopher. Europe in the Central Middle Ages; 962-1154. Longmans, 1964.