APA
Wright G. M. A., . (1970). An Age of Controversy : Discussion Problems in Twentieth-Century European History. New York: Dodd, Mead & Company.
Chicago
Wright Gordon Mejia Arthur, . 1970. An Age of Controversy : Discussion Problems in Twentieth-Century European History. New York: Dodd, Mead & Company.
Harvard
Wright G. M. A., . (1970). An Age of Controversy : Discussion Problems in Twentieth-Century European History. New York: Dodd, Mead & Company.
MLA
Wright Gordon Mejia Arthur, . An Age of Controversy : Discussion Problems in Twentieth-Century European History. New York: Dodd, Mead & Company. 1970.
