Παραπομπή σε μορφή APA (7η εκδ.)

Praagh, V. G., & Van Praagh, G. (1967). The discovery of the electric current. Published for the Nuffield Foundation by the Longmans/Penguin Books.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Praagh, Van G., και Gordon Van Praagh. The Discovery of the Electric Current. London: Published for the Nuffield Foundation by the Longmans/Penguin Books, 1967.

Παραπομπή σε μορφή MLA (9th εκδ.)

Praagh, Van G., και Gordon Van Praagh. The Discovery of the Electric Current. Published for the Nuffield Foundation by the Longmans/Penguin Books, 1967.