APA (7th ed.) Citation

Ziegler, D. W. (1998). Safe heavens: Military strategy and space sanctuary thought. Air University Press.

Chicago Style (17th ed.) Citation

Ziegler, David W. Safe Heavens: Military Strategy and Space Sanctuary Thought. Maxwell Air Force Base, Ala.: Air University Press, 1998.

MLA (9th ed.) Citation

Ziegler, David W. Safe Heavens: Military Strategy and Space Sanctuary Thought. Air University Press, 1998.