Cita APA (7a ed.)
Whitney, C. S. Bridges of the World: Their Design and Construction. Dover.
Cita estilo Chicago (17a ed.)
Whitney, Charles S. Bridges of the World: Their Design and Construction. Nueva York, EUA: Dover.
Cita MLA (9a ed.)
Whitney, Charles S. Bridges of the World: Their Design and Construction. Dover.
Precaución: Estas citas no son 100% exactas.