APA (7th ed.) Citation

Greenberg, K. J., & Greenberg, K. (2009). The least worst place: How Guantanamo became the world's most notorious prison (1. publ.). Oxford Univ. Press.

Chicago Style (17th ed.) Citation

Greenberg, Karen J., and Karen Greenberg. The Least Worst Place: How Guantanamo Became the World's Most Notorious Prison. 1. publ. Oxford [u.a.]: Oxford Univ. Press, 2009.

MLA (8th ed.) Citation

Greenberg, Karen J., and Karen Greenberg. The Least Worst Place: How Guantanamo Became the World's Most Notorious Prison. 1. publ. Oxford Univ. Press, 2009.

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