APA Citation

Ullman, W. (1961). Principles of government and politics in the middle ages (1st pub.). London: Methuen & Co..

Chicago Style Citation

Ullman, Walter. Principles of Government and Politics in the Middle Ages. 1st pub. London: Methuen & Co., 1961.

MLA Citation

Ullman, Walter. Principles of Government and Politics in the Middle Ages. 1st pub. London: Methuen & Co., 1961.

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