Quirk, J. (2011). The Anti-Slavery Project: From the Slave Trade to Human Trafficking. Philadelphia.
Cita Chicago Style (17a ed.)Quirk, Joel. The Anti-Slavery Project: From the Slave Trade to Human Trafficking. University of Pennsylvania Press: Philadelphia, 2011.
Cita MLA (8a ed.)Quirk, Joel. The Anti-Slavery Project: From the Slave Trade to Human Trafficking. Philadelphia, 2011.
Precaución: Estas citas no son 100% exactas.