APA (7th ed.) Citation

Doubler, M. D. (2016). I am the guard: A history of the Army National Guard, 1636-2000. Army National Guard.

Chicago Style (17th ed.) Citation

Doubler, Michael D. I Am the Guard: A History of the Army National Guard, 1636-2000. [Arlington, Virginia]: Army National Guard, 2016.

MLA (9th ed.) Citation

Doubler, Michael D. I Am the Guard: A History of the Army National Guard, 1636-2000. Army National Guard, 2016.