Thomson, D. (1991). England in the twentieth century (2nd ed.). Penguin Books.
Chicago Style (17th ed.) CitationThomson, David. England in the Twentieth Century. 2nd ed. Penguin Books, 1991.
Cita MLAThomson, David. England in the Twentieth Century. 2nd ed. Penguin Books, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.