Cita APA (7th ed.)

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.