Cita APA (7a ed.)

Unamuno, M. d., & Kerrigan, A. (1967). Selected Works of Miguel de Unamuno, Volume 4: The Tragic Sense of Life in Men and Nations. [Princeton University Press].

Cita Chicago Style (17a ed.)

Unamuno, Miguel de, y Anthony Kerrigan. Selected Works of Miguel De Unamuno, Volume 4: The Tragic Sense of Life in Men and Nations. [Princeton, N.J.]: [Princeton University Press], 1967.

Cita MLA (8a ed.)

Unamuno, Miguel de, y Anthony Kerrigan. Selected Works of Miguel De Unamuno, Volume 4: The Tragic Sense of Life in Men and Nations. [Princeton University Press], 1967.