Citazione Stile APA (7a Edizione)

Roberts, D. W. (1964). An outline of the economic history of England (7. ed.). Longmans.

Citazione stile Chigago Style (17a edizione)

Roberts, David William. An Outline of the Economic History of England. 7. ed. London: Longmans, 1964.

Citatione MLA (9a ed.)

Roberts, David William. An Outline of the Economic History of England. 7. ed. Longmans, 1964.