Ferguson, J. H., & McHenry, D. E. (1956). The american system of government (4a. ed.). McGraw-Hill.
Chicago Style (17th ed.) CitationFerguson, John H., and Dean E. McHenry. The American System of Government. 4a. ed. Nueva York: McGraw-Hill, 1956.
MLA (9th ed.) CitationFerguson, John H., and Dean E. McHenry. The American System of Government. 4a. ed. McGraw-Hill, 1956.
Warning: These citations may not always be 100% accurate.