Ferguson, J. H., & McHenry, D. E. (1965). The American system of government (8th ed.). McGraw-Hill.
Chicago Style (17th ed.) CitationFerguson, John Henry, and Dean Eugene McHenry. The American System of Government. 8th ed. New York: McGraw-Hill, 1965.
MLA (9th ed.) CitationFerguson, John Henry, and Dean Eugene McHenry. The American System of Government. 8th ed. McGraw-Hill, 1965.