Frederickson. The Ploy of Instinct. Fordham University Press.
Cita Chicago (17th ed.)Frederickson. The Ploy of Instinct. Fordham University Press.
Cita MLA (9th ed.)Frederickson. The Ploy of Instinct. Fordham University Press.
Atenció: Aquestes cites poden no estar 100% correctes.