Cita APA (7a ed.)

Guillen, C. (1971). Literature as System: Essays Toward the Theory of Literary History. Princeton University Press.

Cita Chicago Style (17a ed.)

Guillen, Claudio. Literature as System: Essays Toward the Theory of Literary History. Princeton, New Jersey: Princeton University Press, 1971.

Cita MLA (8a ed.)

Guillen, Claudio. Literature as System: Essays Toward the Theory of Literary History. Princeton University Press, 1971.