Mark Baillie

Hi all - I'm working with a group of colleagues on the Summer Institutes Libretext. There is only an attribution for me right now. Is there a way I can add attributions for the others that are working on the book? When I go in the drop down menu for Authors in the page settings, none of my collaborators are in that drop down (yet).

Also, is it possible to move the attribution to the bottom of the page instead of the top?

Here is the book we are all working in:

Thanks - Mark