APA
Shafritz J. M., Williams P. & Calinger R. S. (1993). The Dictionary of 20th-century world politics. New York: Henry Holt and Company.
Chicago
Shafritz Jay M, Williams Phil and Calinger Ronald S. 1993. The Dictionary of 20th-century world politics. New York: Henry Holt and Company.
Harvard
Shafritz J. M., Williams P. and Calinger R. S. (1993). The Dictionary of 20th-century world politics. New York: Henry Holt and Company.
MLA
Shafritz Jay M, Williams Phil and Calinger Ronald S. The Dictionary of 20th-century world politics. New York: Henry Holt and Company. 1993.
TextLanguage: English Series: (A Henry Holt reference book)Publication details: New York : Henry Holt and Company, 1993.Edition: 1st edDescription: 756 p. : illISBN: 
Reference