Παραπομπή σε μορφή APA (7η εκδ.)

Froude, J. A. (1880). Two lectures on South Africa: Delivered before the Philosophical Institute, Edinburgh, Jan. 6 & 9, 1880. Longmans, Green, and Co..

Παραπομπή σε μορφή Chicago (17η εκδ.)

Froude, James Anthony. Two Lectures on South Africa: Delivered Before the Philosophical Institute, Edinburgh, Jan. 6 & 9, 1880. London: Longmans, Green, and Co., 1880.

Παραπομπή σε μορφή MLA (8th εκδ.)

Froude, James Anthony. Two Lectures on South Africa: Delivered Before the Philosophical Institute, Edinburgh, Jan. 6 & 9, 1880. Longmans, Green, and Co., 1880.