Cita APA (7th ed.)

(1978). Two ages: The age of revolution and the present age. A literary review. Princeton University.

Cita Chicago (17th ed.)

Two Ages: The Age of Revolution and the Present Age. A Literary Review. Princeton: Princeton University, 1978.

Cita MLA (9th ed.)

Two Ages: The Age of Revolution and the Present Age. A Literary Review. Princeton University, 1978.