APA (7th ed.) Citation

Armstrong, O. K. (1961). The fifteen decisive battles of the United States ([1st ed.].). Longmans, Green and Company.

Chicago Style (17th ed.) Citation

Armstrong, O. K. The Fifteen Decisive Battles of the United States. [1st ed.]. New York: Longmans, Green and Company, 1961.

MLA (9th ed.) Citation

Armstrong, O. K. The Fifteen Decisive Battles of the United States. [1st ed.]. Longmans, Green and Company, 1961.