Gaya APA

Theodore, B. (1965). SINCE 1900; A History of United States in Our Times (4th ed). New York: THE MACMILLAN COMPANY, New York..

Gaya MLA

Theodore, BARCK,Jr.Oscar. "SINCE 1900; A History of United States in Our Times". 4th ed New York: THE MACMILLAN COMPANY, New York., 1965. Textbook.