APA (7th ed.) Citation

Wittgenstein, L. (1960). Generally known as The blue and brown books ([2nd ed.].). Harper & Row.

Chicago Style (17th ed.) Citation

Wittgenstein, Ludwig. Generally Known as The Blue and Brown Books. [2nd ed.]. New York: Harper & Row, 1960.

MLA (9th ed.) Citation

Wittgenstein, Ludwig. Generally Known as The Blue and Brown Books. [2nd ed.]. Harper & Row, 1960.