Beyerle, F. J., & Snow, E. B. (1969). Sterilization of unmanned planetary spacecraft: A report on current technology. NASA, George C. Marshall Space Flight Center.
Chicago Style (17th ed.) CitationBeyerle, F. J., and E. B. Snow. Sterilization of Unmanned Planetary Spacecraft: A Report on Current Technology. Marshall Space Flight Center, Alabama: NASA, George C. Marshall Space Flight Center, 1969.
MLA (9th ed.) CitationBeyerle, F. J., and E. B. Snow. Sterilization of Unmanned Planetary Spacecraft: A Report on Current Technology. NASA, George C. Marshall Space Flight Center, 1969.
Warning: These citations may not always be 100% accurate.