APA (7th ed.) Citation

Open University & Cowper. (1990). World War I and its consequences. Open University Press in association with the Open University.

Chicago Style (17th ed.) Citation

Open University and Cowper. World War I and Its Consequences. Buckingham, England Bristol, PA, USA: Open University Press in association with the Open University, 1990.

MLA (8th ed.) Citation

Open University and Cowper. World War I and Its Consequences. Open University Press in association with the Open University, 1990.

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