VALVES

Chicago citation style
National Aeronautics and Space Administration. John H. Glenn Research Center at Lewis Field. 3/1/1999. VALVES. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/17422901. (Accessed October 15, 2018.)
APA citation style
National Aeronautics and Space Administration. John H. Glenn Research Center at Lewis Field. 3/1/1999, VALVES. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/17422901
MLA citation style
National Aeronautics and Space Administration. John H. Glenn Research Center at Lewis Field. 3/1/1999. Retrieved from the Digital Public Library of America <http://catalog.archives.gov/id/17422901>.
Note: These citations are programmatically generated and may be incomplete.