Cita APA (7a ed.)

Potter, S. (1960). Language in the modern world (1 ed.). Penguin.

Cita Chicago Style (17a ed.)

Potter, Simeon. Language in the Modern World. 1 ed. London: Penguin, 1960.

Cita MLA (8a ed.)

Potter, Simeon. Language in the Modern World. 1 ed. Penguin, 1960.