APA (7th ed.) Citation

Hammond, J. W. (1924). Charles Proteus Steinmetz: A biography. The Century & Co..

Chicago Style (17th ed.) Citation

Hammond, John Winthrop. Charles Proteus Steinmetz: A Biography. New York, London: The Century & Co., 1924.

MLA (9th ed.) Citation

Hammond, John Winthrop. Charles Proteus Steinmetz: A Biography. The Century & Co., 1924.