APA (7th ed.) Citation

Irving, C. (1979). Crossroads of civilization: 3000 years of Persian history. Barnes & Noble Books.

Chicago Style (17th ed.) Citation

Irving, Clive. Crossroads of Civilization: 3000 Years of Persian History. New York: Barnes & Noble Books, 1979.

MLA (9th ed.) Citation

Irving, Clive. Crossroads of Civilization: 3000 Years of Persian History. Barnes & Noble Books, 1979.

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