Cita APA

Poor, H. V. (1860). History of the railroads and canals of the United States. J. H. Schultz.

Citación estilo Chicago

Poor, Henry Varnum. History of the Railroads and Canals of the United States. New York: J. H. Schultz, 1860.

Cita MLA

Poor, Henry Varnum. History of the Railroads and Canals of the United States. J. H. Schultz, 1860.