Cita APA

Santayana, G., & Irwin, E. (1953). The philosophy of Santayana: Selecs. from all the works of George Santayana (New and greatly enl. ed.). [S.l.]: Constable.

Citación estilo Chicago

Santayana, George, y Edman Irwin. The Philosophy of Santayana: Selecs. From All the Works of George Santayana. New and greatly enl. ed. [S.l.]: Constable, 1953.

Cita MLA

Santayana, George, y Edman Irwin. The Philosophy of Santayana: Selecs. From All the Works of George Santayana. New and greatly enl. ed. [S.l.]: Constable, 1953.