Cita APA (7th ed.)
Diffie, B. W., & Winius, G. D. (1977). Foundations of the Portuguese empire, 1415-1580. University of Minnesota Press.
Cita Chicago (17th ed.)
Diffie, Bailey W., i George D. Winius. Foundations of the Portuguese Empire, 1415-1580. Minneapolis: University of Minnesota Press, 1977.
Cita MLA (9th ed.)
Diffie, Bailey W., i George D. Winius. Foundations of the Portuguese Empire, 1415-1580. University of Minnesota Press, 1977.
Atenció: Aquestes cites poden no estar 100% correctes.