Citazione Stile APA (7a Edizione)

ATKINSON, W. C. (1960). A history of spain and portugal. penguin books.

Citazione stile Chigago Style (17a edizione)

ATKINSON, William C. A History of Spain and Portugal. England: penguin books, 1960.

Citatione MLA (9a ed.)

ATKINSON, William C. A History of Spain and Portugal. penguin books, 1960.