What are some ways we can use the moon for our mission to visit and study Mars?

You should do citations in the text as superscript numbers attached to the info sourced, like at the end of this sentence2.  These numbers should correspond to a numbered bibliography on the second page.  Any format is fine for the bibliography. Don't waste space in the text naming the authors; the superscript tells me that.  (So don't say things like "according to so-and-so."  Your bibliography must be on a separate page after the text that doesn't count as a page of text.