APA引文

Boothroyd, J. (2011). How big? how heavy? how dense?: A look at matter.

Chicago Style (17th ed.) Citation

Boothroyd, Jennifer. How Big? How Heavy? How Dense?: A Look at Matter. 2011.

MLA引文

Boothroyd, Jennifer. How Big? How Heavy? How Dense?: A Look at Matter. 2011.

警告：這些引文格式不一定是100％准確.