APA (7th ed.) Citation

Johnston, A. (1902). The United States: Its history and Constitution. Charles Scribner's Sons.

Chicago Style (17th ed.) Citation

Johnston, Alexander. The United States: Its History and Constitution. New York: Charles Scribner's Sons, 1902.

MLA (9th ed.) Citation

Johnston, Alexander. The United States: Its History and Constitution. Charles Scribner's Sons, 1902.

Warning: These citations may not always be 100% accurate.