APA (7th ed.) Citation

Reich, H. (2016). How big is the universe. MinuteEarth/ MinutePhysics.

Chicago Style (17th ed.) Citation

Reich, Henry. How Big Is the Universe. [Place of publication not identified]: MinuteEarth/ MinutePhysics, 2016.

MLA (9th ed.) Citation

Reich, Henry. How Big Is the Universe. MinuteEarth/ MinutePhysics, 2016.

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