APA (7th ed.) Citation

Williams, W. A. (1989). America in Vietnam: A documentary history. W.W. Norton.

Chicago Style (17th ed.) Citation

Williams, William Appleman. America in Vietnam: A Documentary History. New York: W.W. Norton, 1989.

MLA (9th ed.) Citation

Williams, William Appleman. America in Vietnam: A Documentary History. W.W. Norton, 1989.