Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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