Citazione Stile APA (7a Edizione)

WILLIAMSON, J. A. (1965). Great Britain and the Commonwealth (3rd ed.). Adam and Charles Black.

Citazione stile Chigago Style (17a edizione)

WILLIAMSON, James A. Great Britain and the Commonwealth. 3rd ed. London: Adam and Charles Black, 1965.

Citatione MLA (9a ed.)

WILLIAMSON, James A. Great Britain and the Commonwealth. 3rd ed. Adam and Charles Black, 1965.