Παραπομπή σε μορφή APA (7η εκδ.)

Duncan, H., & Murray, G. (1830). Presbyter's letters on the West India question: Addressed to the Right Honourable Sir George Murray, G.C.B., M.P., Colonial Secretary, &c. &c. T. and G. Underwood.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Duncan, Henry, και George Murray. Presbyter's Letters on the West India Question: Addressed to the Right Honourable Sir George Murray, G.C.B., M.P., Colonial Secretary, &c. &c. London: T. and G. Underwood, 1830.

Παραπομπή σε μορφή MLA (8th εκδ.)

Duncan, Henry, και George Murray. Presbyter's Letters on the West India Question: Addressed to the Right Honourable Sir George Murray, G.C.B., M.P., Colonial Secretary, &c. &c. T. and G. Underwood, 1830.