APA-viite (7. p.)

BARKER, E. (1928). Political thought in England, 1848 to 1914. Oxford University press.

Chicago-viite (17. p.)

BARKER, Ernest. Political Thought in England, 1848 to 1914. London: Oxford University press, 1928.

MLA-viite (9. p.)

BARKER, Ernest. Political Thought in England, 1848 to 1914. Oxford University press, 1928.