Cita APA (7th ed.)

Humber, W. (1861). A complete treatise on cast and wrought iron bridge construction: Including iron foundations. E & F.N. Spon.

Cita Chicago (17th ed.)

Humber, William. A Complete Treatise on Cast and Wrought Iron Bridge Construction: Including Iron Foundations. Londres: E & F.N. Spon, 1861.

Cita MLA (9th ed.)

Humber, William. A Complete Treatise on Cast and Wrought Iron Bridge Construction: Including Iron Foundations. E & F.N. Spon, 1861.