Citazione Stile APA (7a Edizione)

Dempsey, D. G. Tubular and other iron girder bridges: Particularly describing the Britannia and Conway Tubular Bridges with a sketch of iron bridges (4th. ed.). Crosby Lockwood and Co.

Citazione stile Chigago Style (17a edizione)

Dempsey, Drysdale G. Tubular and Other Iron Girder Bridges: Particularly Describing the Britannia and Conway Tubular Bridges with a Sketch of Iron Bridges. 4th. ed. London: Crosby Lockwood and Co.

Citatione MLA (9a ed.)

Dempsey, Drysdale G. Tubular and Other Iron Girder Bridges: Particularly Describing the Britannia and Conway Tubular Bridges with a Sketch of Iron Bridges. 4th. ed. Crosby Lockwood and Co.