LOWDEN, D. (1983). Briges The Spans Of North America David Plowden. W.W. Norton & Company.
Cita Chicago Style (17a ed.)LOWDEN, David. Briges The Spans Of North America David Plowden. W.W. Norton & Company, 1983.
Cita MLA (8a ed.)LOWDEN, David. Briges The Spans Of North America David Plowden. W.W. Norton & Company, 1983.
Precaución: Estas citas no son 100% exactas.