Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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