APA (7th ed.) Citation

Sumner, C. (1849). The war system of the commonwealth of nations: An address before the American Peace Society, at its anniversary in Boston, May 28th, 1849. Ticknor, Reed, and Fields.

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. Boston: Ticknor, Reed, and Fields, 1849.

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. Ticknor, Reed, and Fields, 1849.