Cita APA (7a ed.)

Ayer, A. J. (1971). Language, truth and logic. Penguin.

Cita Chicago Style (17a ed.)

Ayer, Alfred Julius. Language, Truth and Logic. Harmondsworth: Penguin, 1971.

Cita MLA (9a ed.)

Ayer, Alfred Julius. Language, Truth and Logic. Penguin, 1971.