Cita APA (7a ed.)

Trapnell, W. (1972). Voltaire and his portable dictionary. Vittorio Klostermann.

Cita Chicago Style (17a ed.)

Trapnell, William. Voltaire and His Portable Dictionary. Frankfurt am Main: Vittorio Klostermann, 1972.

Cita MLA (9a ed.)

Trapnell, William. Voltaire and His Portable Dictionary. Vittorio Klostermann, 1972.