APA (7th ed.) Citation

Herring, G. C. (1986). America's longest war: The United States and Vietnam ; 1950 - 1975 (2. ed.). Knopf.

Chicago Style (17th ed.) Citation

Herring, George C. America's Longest War: The United States and Vietnam ; 1950 - 1975. 2. ed. New York, NY: Knopf, 1986.

MLA (9th ed.) Citation

Herring, George C. America's Longest War: The United States and Vietnam ; 1950 - 1975. 2. ed. Knopf, 1986.