English, H. E. (1976). Canada-United States relations. Academy of Political Science.
Citazione stile Chigago Style (17a edizione)English, H. Edward. Canada-United States Relations. New York: Academy of Political Science, 1976.
Citatione MLA (8a ed.)English, H. Edward. Canada-United States Relations. Academy of Political Science, 1976.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.