Boothroyd, D. (2001). Politico's guide to the history of British political parties. Politico's.
Chicago Style (17th ed.) CitationBoothroyd, David. Politico's Guide to the History of British Political Parties. London: Politico's, 2001.
MLA (9th ed.) CitationBoothroyd, David. Politico's Guide to the History of British Political Parties. Politico's, 2001.
Warning: These citations may not always be 100% accurate.