APA (7th ed.) Citation

Hynek, J. A. (1974). The UFO experience: A scientific inquiry. Ballantine Books.

Chicago Style (17th ed.) Citation

Hynek, J. Allen. The UFO Experience: A Scientific Inquiry. New York: Ballantine Books, 1974.

MLA (9th ed.) Citation

Hynek, J. Allen. The UFO Experience: A Scientific Inquiry. Ballantine Books, 1974.

Warning: These citations may not always be 100% accurate.