APA (7th ed.) Citation

Ayer, A. J. (1990). Language, truth and logic. Penguin Books.

Chicago Style (17th ed.) Citation

Ayer, A. J. Language, Truth and Logic. London: Penguin Books, 1990.

MLA (8th ed.) Citation

Ayer, A. J. Language, Truth and Logic. Penguin Books, 1990.

Warning: These citations may not always be 100% accurate.