APA (7th ed.) Citation

Duffy, J. P., & Ricci, V. L. (1995). Czars: Russia's rulers for more than one thousand years. Facts on File.

Chicago Style (17th ed.) Citation

Duffy, James P., and Vincent L. Ricci. Czars: Russia's Rulers for More than One Thousand Years. New York: Facts on File, 1995.

MLA (9th ed.) Citation

Duffy, James P., and Vincent L. Ricci. Czars: Russia's Rulers for More than One Thousand Years. Facts on File, 1995.