APA (7th ed.) Citation

Diffie, B. W., & Winius, G. D. (1977). Foundations of the Portuguese empire, 1415-1580. University of Minnesota Press.

Chicago Style (17th ed.) Citation

Diffie, Bailey W., and George D. Winius. Foundations of the Portuguese Empire, 1415-1580. Minneapolis: University of Minnesota Press, 1977.

MLA (8th ed.) Citation

Diffie, Bailey W., and George D. Winius. Foundations of the Portuguese Empire, 1415-1580. University of Minnesota Press, 1977.