APA (7th ed.) Citation

SINGLAUB & MCCONELL. (1991). Hazardous duty: An American soldier in the twentieth century. Summit Book.

Chicago Style (17th ed.) Citation

SINGLAUB and MCCONELL. Hazardous Duty: An American Soldier in the Twentieth Century. New York: Summit Book, 1991.

MLA (8th ed.) Citation

SINGLAUB and MCCONELL. Hazardous Duty: An American Soldier in the Twentieth Century. Summit Book, 1991.