APA

Waugh A., . (2009). The House of Wittgenstein. New York: Doubleday.

Chicago

Waugh Alexander, . 2009. The House of Wittgenstein. New York: Doubleday.

Harvard

Waugh A., . (2009). The House of Wittgenstein. New York: Doubleday.

MLA

Waugh Alexander, . The House of Wittgenstein. New York: Doubleday. 2009.