Cita APA (7a ed.)

Metaxas, E., & Heller, J. (2008). Amazing grace: William wilberforce and the heroic campaign to end slavery (Unabridged.). Tantor Media.

Cita Chicago Style (17a ed.)

Metaxas, Eric, y Johnny Heller. Amazing Grace: William Wilberforce and the Heroic Campaign to End Slavery. Unabridged. Old Saybrook: Tantor Media, 2008.

Cita MLA (8a ed.)

Metaxas, Eric, y Johnny Heller. Amazing Grace: William Wilberforce and the Heroic Campaign to End Slavery. Unabridged. Tantor Media, 2008.

Precaución: Estas citas no son 100% exactas.