APA (7th ed.) Citation

Delury, G. E. (1987). World encyclopedia of political systems & parties. Facts on File.

Chicago Style (17th ed.) Citation

Delury, George E. World Encyclopedia of Political Systems & Parties. New York: Facts on File, 1987.

MLA (9th ed.) Citation

Delury, George E. World Encyclopedia of Political Systems & Parties. Facts on File, 1987.

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