APA Style

The Vietnam Wars, 1945-1990. (1991). New York: HarperPerennial.

Chicago Style

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

MLA Style

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

Turabian Style

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