APA (7th ed.) Citation

Merlin, P. W. (2015). Unlimited horizons: Design and development of the U-2. National Aeronautics and Space Administration.

Chicago Style (17th ed.) Citation

Merlin, Peter W. Unlimited Horizons: Design and Development of the U-2. Washington, DC: National Aeronautics and Space Administration, 2015.

MLA (9th ed.) Citation

Merlin, Peter W. Unlimited Horizons: Design and Development of the U-2. National Aeronautics and Space Administration, 2015.