APA (7th ed.) Citation

Hildreth, C. H., & Nalty, B. C. (1969). 1001 questions answered about aviation history. Dodd, Mead.

Chicago Style (17th ed.) Citation

Hildreth, Charles H., and Bernard C. Nalty. 1001 Questions Answered About Aviation History. New York: Dodd, Mead, 1969.

MLA (9th ed.) Citation

Hildreth, Charles H., and Bernard C. Nalty. 1001 Questions Answered About Aviation History. Dodd, Mead, 1969.