Cita APA (7a ed.)

(1965). Washington Irving, Sinclair Lewis, Katherine Anne Porter. Gredos.

Cita Chicago Style (17a ed.)

Washington Irving, Sinclair Lewis, Katherine Anne Porter. Madrid: Gredos, 1965.

Cita MLA (9a ed.)

Washington Irving, Sinclair Lewis, Katherine Anne Porter. Gredos, 1965.