APA (7th ed.) Citation

Oberholtzer, E. P. (1917). A history of the United States since the Civil War. The Macmillian Company.

Chicago Style (17th ed.) Citation

Oberholtzer, Ellis Paxson. A History of the United States Since the Civil War. New York: The Macmillian Company, 1917.

MLA (9th ed.) Citation

Oberholtzer, Ellis Paxson. A History of the United States Since the Civil War. The Macmillian Company, 1917.