APA (7th ed.) Citation

Young. (1991). The Vietnam wars, 1945-1990. HarperCollins.

Chicago Style (17th ed.) Citation

Young. The Vietnam Wars, 1945-1990. New York: HarperCollins, 1991.

MLA (8th ed.) Citation

Young. The Vietnam Wars, 1945-1990. HarperCollins, 1991.

Warning: These citations may not always be 100% accurate.