Norton, C. (1989). 20th Century Classics. Boosey & Hawkes.
Cita Chicago (17th ed.)Norton, Christopher. 20th Century Classics. London: Boosey & Hawkes, 1989.
Cita MLA (8th ed.)Norton, Christopher. 20th Century Classics. Boosey & Hawkes, 1989.
Atenció: Aquestes cites poden no estar 100% correctes.