Freeman, H. R., & Longanecker, G. W. (1979). The International Ultraviolet Explorer: Case study in spacecraft design. Goddard Space Flight Center.
芝加哥风格引文Freeman, H. R., 与 G. W. Longanecker. The International Ultraviolet Explorer: Case Study in Spacecraft Design. Greenbelt, Md.: Goddard Space Flight Center, 1979.
MLA引文Freeman, H. R., 与 G. W. Longanecker. The International Ultraviolet Explorer: Case Study in Spacecraft Design. Goddard Space Flight Center, 1979.
警告:这些引文格式不一定是100%准确.