APA

Boothroyd D., . (2001). Politico's guide to the history of British political parties. London: Politico's.

Chicago

Boothroyd David, . 2001. Politico's guide to the history of British political parties. London: Politico's.

Harvard

Boothroyd D., . (2001). Politico's guide to the history of British political parties. London: Politico's.

MLA

Boothroyd David, . Politico's guide to the history of British political parties. London: Politico's. 2001.