APA引文

Boothroyd, J., & Intuitive. (2017). What holds us to earth?: A look at gravity.

Chicago Style (17th ed.) Citation

Boothroyd, Jennifer, and Intuitive. What Holds Us to Earth?: A Look at Gravity. 2017.

MLA引文

Boothroyd, Jennifer, and Intuitive. What Holds Us to Earth?: A Look at Gravity. 2017.

警告：這些引文格式不一定是100％准確.