Cita APA (7a ed.)

Ekland-Olson, S., & Dirks, D. (2012). How ethical systems change: Lynching and capital punishment. Routledge.

Cita Chicago Style (17a ed.)

Ekland-Olson, Sheldon, y Danielle Dirks. How Ethical Systems Change: Lynching and Capital Punishment. New York [u.a.]: Routledge, 2012.

Cita MLA (9a ed.)

Ekland-Olson, Sheldon, y Danielle Dirks. How Ethical Systems Change: Lynching and Capital Punishment. Routledge, 2012.