APA (7th ed.) Citation

Johnson, C. (2011). Hell is empty: A Walt Longmire mystery. Viking.

Chicago Style (17th ed.) Citation

Johnson, Craig. Hell Is Empty: A Walt Longmire Mystery. New York: Viking, 2011.

MLA (8th ed.) Citation

Johnson, Craig. Hell Is Empty: A Walt Longmire Mystery. Viking, 2011.

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