APA

Disney A. R., . (2009). A history of Portugal and the Portuguese empire. New York: Cambridge University Press.

Chicago

Disney A R, . 2009. A history of Portugal and the Portuguese empire. New York: Cambridge University Press.

Harvard

Disney A. R., . (2009). A history of Portugal and the Portuguese empire. New York: Cambridge University Press.

MLA

Disney A R, . A history of Portugal and the Portuguese empire. New York: Cambridge University Press. 2009.