APA (7th ed.) Citation

Allen, F. L. (1949). The great Pierpont Morgan ([1st ed.].). Harper.

Chicago Style (17th ed.) Citation

Allen, Frederick Lewis. The Great Pierpont Morgan. [1st ed.]. New York: Harper, 1949.

MLA (9th ed.) Citation

Allen, Frederick Lewis. The Great Pierpont Morgan. [1st ed.]. Harper, 1949.