Cita APA (7a ed.)

Frank, J. (1968). The widening gyre: Crisis and mastery in modern literature. Indiana University Press.

Cita Chicago Style (17a ed.)

Frank, Joseph. The Widening Gyre: Crisis and Mastery in Modern Literature. Bloomington ; London: Indiana University Press, 1968.

Cita MLA (9a ed.)

Frank, Joseph. The Widening Gyre: Crisis and Mastery in Modern Literature. Indiana University Press, 1968.