APA (7th ed.) Citation

Dutton, W. S. (1949). Du Pont: One hundred and forty years (2. ed.). Scribner.

Chicago Style (17th ed.) Citation

Dutton, William Sherman. Du Pont: One Hundred and Forty Years. 2. ed. New York: Scribner, 1949.

MLA (9th ed.) Citation

Dutton, William Sherman. Du Pont: One Hundred and Forty Years. 2. ed. Scribner, 1949.