Cita APA

Healy, K. T., & Healy, K. T. (1929). Electrification of steam railroads. New York, New York: McGraw-Hill.

Citación estilo Chicago

Healy, Kent Tenney, y Kent Tenney Healy. Electrification of Steam Railroads. New York, New York: McGraw-Hill, 1929.

Cita MLA

Healy, Kent Tenney, y Kent Tenney Healy. Electrification of Steam Railroads. New York, New York: McGraw-Hill, 1929.