Superscript example

Here's an example of superscript citations.  ¹ 

To get this into your story there is a work around...copy and paste the superscripts in.

a⁵b⁶d⁷e⁸f⁹

¹²³

You can also used this format.  [1] 

Here's an example of scientific units using a special character. µg/m³

ª2↬  

ª2↬