Cita APA (7th ed.)

Herring, G. C. (1979). America's longest war: The United States and Vietnam, 1950-1975. Wiley.

Cita Chicago (17th ed.)

Herring, George C. America's Longest War: The United States and Vietnam, 1950-1975. New York: Wiley, 1979.

Cita MLA (9th ed.)

Herring, George C. America's Longest War: The United States and Vietnam, 1950-1975. Wiley, 1979.