APA (7th ed.) Citation

Hays, Vallance, & Van Tassel. (1997). American defense policy (7th ed.). John Hopkins University Press.

Chicago Style (17th ed.) Citation

Hays, Vallance, and Van Tassel. American Defense Policy. 7th ed. Baltimore, Maryland London: John Hopkins University Press, 1997.

MLA (8th ed.) Citation

Hays, et al. American Defense Policy. 7th ed. John Hopkins University Press, 1997.