Strong, C. F., & Tickner, F. W. (1931). Days of democracy: Britain in Europe ; 1789 - present day (Senior series.). Univ. of London Press.
Citazione stile Chigago Style (17a edizione)Strong, C. F., e F. W. Tickner. Days of Democracy: Britain in Europe ; 1789 - Present Day. Senior series. London: Univ. of London Press, 1931.
Citatione MLA (9a ed.)Strong, C. F., e F. W. Tickner. Days of Democracy: Britain in Europe ; 1789 - Present Day. Senior series. Univ. of London Press, 1931.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.