APA (7th ed.) Citation

Da Graça, J. V. (2000). Heads of state and government (2nd ed.). St. Martin's Press.

Chicago Style (17th ed.) Citation

Da Graça, John V. Heads of State and Government. 2nd ed. New York: St. Martin's Press, 2000.

MLA (8th ed.) Citation

Da Graça, John V. Heads of State and Government. 2nd ed. St. Martin's Press, 2000.

Warning: These citations may not always be 100% accurate.