Cita APA (7a ed.)

GIRL, R. (2009). Modal Logics and Philosophy (2nd. ed.). Acumen.

Cita Chicago Style (17a ed.)

GIRL, Rod. Modal Logics and Philosophy. 2nd. ed. Stocksfield: Acumen, 2009.

Cita MLA (9a ed.)

GIRL, Rod. Modal Logics and Philosophy. 2nd. ed. Acumen, 2009.