APA
Taylor A. J. P., . (1973). Twentieth century. London: Purnell.
Chicago
Taylor Alan John Percivale, . 1973. Twentieth century. London: Purnell.
Harvard
Taylor A. J. P., . (1973). Twentieth century. London: Purnell.
MLA
Taylor Alan John Percivale, . Twentieth century. London: Purnell. 1973.
