APA (7th ed.) Citation

Thompson, M. O. (1992). At the edge of space: The X-15 flight program. Smithsonian Institution Press.

Chicago Style (17th ed.) Citation

Thompson, Milton O. At the Edge of Space: The X-15 Flight Program. Washington u.a: Smithsonian Institution Press, 1992.

MLA (9th ed.) Citation

Thompson, Milton O. At the Edge of Space: The X-15 Flight Program. Smithsonian Institution Press, 1992.