APA (7th ed.) Citation

Willbanks, J. H. (2009). Vietnam War almanac (1. ed.). Facts On File.

Chicago Style (17th ed.) Citation

Willbanks, James H. Vietnam War Almanac. 1. ed. New York, NY: Facts On File, 2009.

MLA (9th ed.) Citation

Willbanks, James H. Vietnam War Almanac. 1. ed. Facts On File, 2009.