To add in-text references as footnotes, just click at the end of the sentence, then click the widget button and then the top button in that window. Then you just type your reference in the window that pops up[1] .

For some information about widgets, go here.

For an example of a new page, go here.

For video tutorials on how to use wikispaces, see here.

Go to slideshare.net, set up an account, upload your ppt, then publish it. Then you can click on it to view it and you will see an embed code in the upper right corner, copy that and paste it into the "other html" widget in wikispaces.
  1. ^ www.wikispaces.com