APA (7th ed.) Citation

Headley, J. T. (1847). Napoleon and his marshals (Seventh edition.). Baker and Scribner.

Chicago Style (17th ed.) Citation

Headley, J. T. Napoleon and His Marshals. Seventh edition. New York: Baker and Scribner, 1847.

MLA (9th ed.) Citation

Headley, J. T. Napoleon and His Marshals. Seventh edition. Baker and Scribner, 1847.