APA (7th ed.) Citation

Monk, R. (1990). Ludwig wittgenstein: The duty of genius. Vintage.

Chicago Style (17th ed.) Citation

Monk, Ray. Ludwig Wittgenstein: The Duty of Genius. London: Vintage, 1990.

MLA (8th ed.) Citation

Monk, Ray. Ludwig Wittgenstein: The Duty of Genius. Vintage, 1990.

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