Cita APA (7a ed.)

Trask, R. R. (1985). The secretaries of defense: A brief history, 1947-1985. Historical Office, Office of the Secretary of Defense.

Cita Chicago Style (17a ed.)

Trask, Roger R. The Secretaries of Defense: A Brief History, 1947-1985. Washington, D.C.: Historical Office, Office of the Secretary of Defense, 1985.

Cita MLA (9a ed.)

Trask, Roger R. The Secretaries of Defense: A Brief History, 1947-1985. Historical Office, Office of the Secretary of Defense, 1985.