APA (7th ed.) Citation

Chester, R. J. (2012). A history of the Hexagon program. Center for the Study of National Reconnaissance.

Chicago Style (17th ed.) Citation

Chester, R. J.|. A History of the Hexagon Program. Chantilly, VA: Center for the Study of National Reconnaissance, 2012.

MLA (9th ed.) Citation

Chester, R. J.|. A History of the Hexagon Program. Center for the Study of National Reconnaissance, 2012.