APA (7th ed.) Citation

(2018). Sixty Years of NASA Leadership in Human Space Exploration: Past, Present, and Future. ProQuest.

Chicago Style (17th ed.) Citation

Sixty Years of NASA Leadership in Human Space Exploration: Past, Present, and Future. Bethesda, Md.: ProQuest, 2018.

MLA (9th ed.) Citation

Sixty Years of NASA Leadership in Human Space Exploration: Past, Present, and Future. ProQuest, 2018.

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