APA (7th ed.) Citation

Smith, R. B. An international history of the Vietnam War. Macmillan.

Chicago Style (17th ed.) Citation

Smith, Ralph B. An International History of the Vietnam War. London u.a: Macmillan.

MLA (8th ed.) Citation

Smith, Ralph B. An International History of the Vietnam War. Macmillan.

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