Da Graça, J. V. (2000). Heads of state and government (2nd ed.). St. Martin's Press.
Chicago Style (17th ed.) CitationDa Graça, John V. Heads of State and Government. 2nd ed. New York: St. Martin's Press, 2000.
MLA (9th ed.) CitationDa Graça, John V. Heads of State and Government. 2nd ed. St. Martin's Press, 2000.
Warning: These citations may not always be 100% accurate.