APA (7th ed.) Citation

Ferguson, J. H., & McHenry, D. E. (1950). The American system of government. McGraw-Hill Book Comp.

Chicago Style (17th ed.) Citation

Ferguson, John Henry, and Dean Eugene McHenry. The American System of Government. New York [u.a.]: McGraw-Hill Book Comp, 1950.

MLA (9th ed.) Citation

Ferguson, John Henry, and Dean Eugene McHenry. The American System of Government. McGraw-Hill Book Comp, 1950.