APA (7th ed.) Citation

(2017). NASA's Next Four Large Telescopes. ProQuest.

Chicago Style (17th ed.) Citation

NASA's Next Four Large Telescopes. Bethesda, Md.: ProQuest, 2017.

MLA (9th ed.) Citation

NASA's Next Four Large Telescopes. ProQuest, 2017.

Warning: These citations may not always be 100% accurate.