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.]. London: Penguin Books, 1997.

MLA (9th ed.) Citation

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