Citazione Stile APA (7a Edizione)

De MADARIAGA, S. (1967). Portrait of Europe (2nd ed.). University of Alabama Press.

Citazione stile Chigago Style (17a edizione)

De MADARIAGA, Salvador. Portrait of Europe. 2nd ed. Alabama: University of Alabama Press, 1967.

Citatione MLA (9a ed.)

De MADARIAGA, Salvador. Portrait of Europe. 2nd ed. University of Alabama Press, 1967.