Cita APA (7th ed.)
Singer, I. (2000). George Santayana, literary philosopher. Yale University Press.
Cita Chicago (17th ed.)
Singer, Irving. George Santayana, Literary Philosopher. New Haven: Yale University Press, 2000.
Cita MLA (9th ed.)
Singer, Irving. George Santayana, Literary Philosopher. Yale University Press, 2000.
Atenció: Aquestes cites poden no estar 100% correctes.