APA (7th ed.) Citation

Malcolm, N., & Wright, E. G. (1962). Ludwig Wittgenstein: A memoir. Oxford University Press.

Chicago Style (17th ed.) Citation

Malcolm, Norman, and Ernest G. Wright. Ludwig Wittgenstein: A Memoir. London: Oxford University Press, 1962.

MLA (9th ed.) Citation

Malcolm, Norman, and Ernest G. Wright. Ludwig Wittgenstein: A Memoir. Oxford University Press, 1962.