Cita APA (7th ed.)

Santayana, G. (1913). Winds of doctrine: Studies in contemporary opinion. J. M. Dent.

Cita Chicago (17th ed.)

Santayana, George. Winds of Doctrine: Studies in Contemporary Opinion. London: J. M. Dent, 1913.

Cita MLA (9th ed.)

Santayana, George. Winds of Doctrine: Studies in Contemporary Opinion. J. M. Dent, 1913.