APA (7th ed.) Citation

Ayer, A. J. (1986). Ludwig Wittgenstein. Penguin Books.

Chicago Style (17th ed.) Citation

Ayer, Alfred J. Ludwig Wittgenstein. Harmondsworth u.a: Penguin Books, 1986.

MLA (9th ed.) Citation

Ayer, Alfred J. Ludwig Wittgenstein. Penguin Books, 1986.

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