Pressel, P., & Allen, N. (2013). Meeting the challenge: The Hexagon KH-9 reconnaissance satellite. Published by American Institute of Aeronautics and Astronautics, Inc..
芝加哥风格引文Pressel, Philip, 与 Ned Allen. Meeting the Challenge: The Hexagon KH-9 Reconnaissance Satellite. Reston, Virginia: Published by American Institute of Aeronautics and Astronautics, Inc., 2013.
MLA引文Pressel, Philip, 与 Ned Allen. Meeting the Challenge: The Hexagon KH-9 Reconnaissance Satellite. Published by American Institute of Aeronautics and Astronautics, Inc., 2013.
警告：这些引文格式不一定是100％准确.