Cita APA (7th ed.)
Lewy, G. (1978). America in Vietnam. Oxford University Press.
Cita Chicago (17th ed.)
Lewy, Guenter. America in Vietnam. New York: Oxford University Press, 1978.
Cita MLA (9th ed.)
Lewy, Guenter. America in Vietnam. Oxford University Press, 1978.
Atenció: Aquestes cites poden no estar 100% correctes.