Παραπομπή σε μορφή APA (7η εκδ.)

Stephen, J., & Wilberforce, W. (1816). A defence of the bill for the registration of slaves: In letters to William Wilberforce Esq. M.P. : letter the first. Printed for J. Butterworth and Son, and J. Hatchard.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Stephen, James, και William Wilberforce. A Defence of the Bill for the Registration of Slaves: In Letters to William Wilberforce Esq. M.P. : Letter the First. London: Printed for J. Butterworth and Son, and J. Hatchard, 1816.

Παραπομπή σε μορφή MLA (8th εκδ.)

Stephen, James, και William Wilberforce. A Defence of the Bill for the Registration of Slaves: In Letters to William Wilberforce Esq. M.P. : Letter the First. Printed for J. Butterworth and Son, and J. Hatchard, 1816.