APA (7th ed.) Citation

Sumner, C. (1972). The war system of the commonwealth of nations: An address before the American Peace Society, at its anniversary in Boston, May 28th, 1849. [J. S. Ozer].

Chicago Style (17th ed.) Citation

Sumner, Charles. The War System of the Commonwealth of Nations: An Address Before the American Peace Society, at Its Anniversary in Boston, May 28th, 1849. [New York]: [J. S. Ozer], 1972.

MLA (9th ed.) Citation

Sumner, Charles. The War System of the Commonwealth of Nations: An Address Before the American Peace Society, at Its Anniversary in Boston, May 28th, 1849. [J. S. Ozer], 1972.