APA (7th ed.) Citation

Newberry, R. D. (1998). Space doctrine for the twenty-first century. Air University Press.

Chicago Style (17th ed.) Citation

Newberry, Robert D. Space Doctrine for the Twenty-first Century. Maxwell Air Force Base, Ala.: Air University Press, 1998.

MLA (9th ed.) Citation

Newberry, Robert D. Space Doctrine for the Twenty-first Century. Air University Press, 1998.