Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

Herring, George C. America's Longest War: The United States and Vietnam, 1950-1975. 2nd ed. New York: Alfred A. Knoff, 1986.

Cita MLA (9a ed.)

Herring, George C. America's Longest War: The United States and Vietnam, 1950-1975. 2nd ed. Alfred A. Knoff, 1986.