APA

Livermore H. V., . (1976). A new history of Portugal. Cambridge: Cambridge University Press.

Chicago

Livermore Harold Victor, . 1976. A new history of Portugal. Cambridge: Cambridge University Press.

Harvard

Livermore H. V., . (1976). A new history of Portugal. Cambridge: Cambridge University Press.

MLA

Livermore Harold Victor, . A new history of Portugal. Cambridge: Cambridge University Press. 1976.