Cita APA

Ferguson, J. H., & McHenry, D. (1953). The American system of government (3. edition.). New York, New York: McGraw-Hill.

Citación estilo Chicago

Ferguson, John Halcro, y Dean McHenry. The American System of Government. 3. edition. New York, New York: McGraw-Hill, 1953.

Cita MLA

Ferguson, John Halcro, y Dean McHenry. The American System of Government. 3. edition. New York, New York: McGraw-Hill, 1953.