APA (7th ed.) Citation

Totten, S., & Bartrop, P. R. (20). Dictionary of genocide. Greenwood Press.

Chicago Style (17th ed.) Citation

Totten, Samuel, and Paul R. Bartrop. Dictionary of Genocide. Westport, Conn. London: Greenwood Press, 20.

MLA (9th ed.) Citation

Totten, Samuel, and Paul R. Bartrop. Dictionary of Genocide. Greenwood Press, 20.