APA (7th ed.) Citation

Karnow, S. (1997). Vietnam: A history (2nd rev. and updated ed.). Penguin Books.

Chicago Style (17th ed.) Citation

Karnow, Stanley. Vietnam: A History. 2nd rev. and updated ed. New York, N.Y.: Penguin Books, 1997.

MLA (9th ed.) Citation

Karnow, Stanley. Vietnam: A History. 2nd rev. and updated ed. Penguin Books, 1997.