APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

Trapnell, William H. Voltaire and His Portable Dictionary. V. Klostermann, 1972.