APA (7th ed.) Citation

Tacker, L. J. (1960). Flying saucers and the U. S. Air Force. Van Nostrand.

Chicago Style (17th ed.) Citation

Tacker, Lawrence J. Flying Saucers and the U. S. Air Force. Princeton, N. J.: Van Nostrand, 1960.

MLA (9th ed.) Citation

Tacker, Lawrence J. Flying Saucers and the U. S. Air Force. Van Nostrand, 1960.