Cita APA (7a ed.)

Low, A. M. (1904). Protection in the United States: A study of the origin and growth of the American tariff system, and its economic and social influences. P.S. King & Son.

Cita Chicago Style (17a ed.)

Low, Alfred Maurice. Protection in the United States: A Study of the Origin and Growth of the American Tariff System, and Its Economic and Social Influences. London: P.S. King & Son, 1904.

Cita MLA (9a ed.)

Low, Alfred Maurice. Protection in the United States: A Study of the Origin and Growth of the American Tariff System, and Its Economic and Social Influences. P.S. King & Son, 1904.