Style de citation APA (7e éd.)

Wittgenstein, L. (1997). Generally known as the blue and brown books. Blackwell.

Style de citation Chicago (17e éd.)

Wittgenstein, Ludwig. Generally Known as the Blue and Brown Books. Blackwell, 1997.

Style de citation MLA (9e éd.)

Wittgenstein, Ludwig. Generally Known as the Blue and Brown Books. Blackwell, 1997.