APA-referens (7:e uppl.)

Williams, S. T. (1955). The Spanish background of American literature. Yale University Press.

Chicago-referens (17:e uppl.)

Williams, Stanley Thomas. The Spanish Background of American Literature. New Haven: Yale University Press, 1955.

MLA-referens (9:e uppl.)

Williams, Stanley Thomas. The Spanish Background of American Literature. Yale University Press, 1955.