APA (7th ed.) Citation

Gentle, E. J., & Chapel, C. E. (1961). Aviation & space dictionary (Fourth edition.). Aero Publishers, Inc.

Chicago Style (17th ed.) Citation

Gentle, Ernest J., and Charles Edward Chapel. Aviation & Space Dictionary. Fourth edition. California: Aero Publishers, Inc, 1961.

MLA (9th ed.) Citation

Gentle, Ernest J., and Charles Edward Chapel. Aviation & Space Dictionary. Fourth edition. Aero Publishers, Inc, 1961.