Cita APA (7a ed.)

Perone, U. (2011). The possible present. State University of New York Press.

Cita Chicago Style (17a ed.)

Perone, Ugo. The Possible Present. Albany: State University of New York Press, 2011.

Cita MLA (9a ed.)

Perone, Ugo. The Possible Present. State University of New York Press, 2011.