APA (7th ed.) Citation

Guillén, C. (1971). Literature as system: Essays toward the theory of literary history. Princeton University Press. https://doi.org/10.1515/9781400869275

Chicago Style (17th ed.) Citation

Guillén, Claudio. Literature as System: Essays Toward the Theory of Literary History. Princeton, New Jersey: Princeton University Press, 1971. https://doi.org/10.1515/9781400869275.

MLA (9th ed.) Citation

Guillén, Claudio. Literature as System: Essays Toward the Theory of Literary History. Princeton University Press, 1971. https://doi.org/10.1515/9781400869275.