Cita APA (7th ed.)

Winters, Y. Preliminary problems: Yvor Winters. Twentieth century literary theory : an introductory anthology.(1987).

Cita Chicago (17th ed.)

Winters, Yvor. "Preliminary Problems: Yvor Winters." Twentieth Century Literary Theory : An Introductory Anthology.(1987) .

Cita MLA (8th ed.)

Winters, Yvor. "Preliminary Problems: Yvor Winters." Twentieth Century Literary Theory : An Introductory Anthology.(1987), .