APA (7th ed.) Citation

Open University. Trade, flags and frontiers ; Part 1- Imperialism and expansion in Britain and the United States, 1763-1914 ; Part 2- Development and decline: Comparative economic performance, 1860-1970.

Chicago Style (17th ed.) Citation

Open University. Trade, Flags and Frontiers ; Part 1- Imperialism and Expansion in Britain and the United States, 1763-1914 ; Part 2- Development and Decline: Comparative Economic Performance, 1860-1970. Milton Keynes : Open University, c1997.

MLA (8th ed.) Citation

Open University. Trade, Flags and Frontiers ; Part 1- Imperialism and Expansion in Britain and the United States, 1763-1914 ; Part 2- Development and Decline: Comparative Economic Performance, 1860-1970.

Warning: These citations may not always be 100% accurate.