Cita APA (7a ed.)

Perry, J. (1993). The problem of the essential indexical: And other essays. Oxford University Press.

Cita Chicago Style (17a ed.)

Perry, John. The Problem of the Essential Indexical: And Other Essays. New York [etc.]: Oxford University Press, 1993.

Cita MLA (9a ed.)

Perry, John. The Problem of the Essential Indexical: And Other Essays. Oxford University Press, 1993.