Boothroyd, J., & Intuitive. (2017). What holds us to earth?: A look at gravity.
Цитирование в стиле Чикаго (17-е изд.)Boothroyd, Jennifer, и Intuitive. What Holds Us to Earth?: A Look at Gravity. 2017.
Цитирование MLA (8-е изд.)Boothroyd, Jennifer, и Intuitive. What Holds Us to Earth?: A Look at Gravity. 2017.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.