Cita APA (7a ed.)

Santayana, G., & Cardiff, I. D. (1964). The Wisdom of George Santayana: [Atoms of thought]. Philosophical Library.

Cita Chicago Style (17a ed.)

Santayana, George, y Ira D. Cardiff. The Wisdom of George Santayana: [Atoms of Thought]. New York: Philosophical Library, 1964.

Cita MLA (9a ed.)

Santayana, George, y Ira D. Cardiff. The Wisdom of George Santayana: [Atoms of Thought]. Philosophical Library, 1964.