APA (7th ed.) Citation

Ayer, A. J. (1979). The Central Questions of Philosophy (Reprint ed.). Penguin Books.

Chicago Style (17th ed.) Citation

Ayer, A. J. The Central Questions of Philosophy. Reprint ed. Harmondsworth: Penguin Books, 1979.

MLA (9th ed.) Citation

Ayer, A. J. The Central Questions of Philosophy. Reprint ed. Penguin Books, 1979.