Cita APA

Ketchum, M. S., & Ketchum, M. S. (1920). The Design of highway bridges of steel, timber and concrete (2. edition rewritten.). New York, New York: McGraw-Hill.

Citación estilo Chicago

Ketchum, Milo S., y Milo S. Ketchum. The Design of Highway Bridges of Steel, Timber and Concrete. 2. edition rewritten. New York, New York: McGraw-Hill, 1920.

Cita MLA

Ketchum, Milo S., y Milo S. Ketchum. The Design of Highway Bridges of Steel, Timber and Concrete. 2. edition rewritten. New York, New York: McGraw-Hill, 1920.