APA (7th ed.) Citation

Gilbert, M. (1993). The Dent atlas of American history (3rd ed.). J.M. Dent.

Chicago Style (17th ed.) Citation

Gilbert, Martin. The Dent Atlas of American History. 3rd ed. London: J.M. Dent, 1993.

MLA (9th ed.) Citation

Gilbert, Martin. The Dent Atlas of American History. 3rd ed. J.M. Dent, 1993.