Select another style: In your document you can only choose another style from your list of favourites - to add to your list do this in your EN Online library
Editing citations: use the Edit Citation option to change your in-text citations such as adding page nos. or exclucing authors or year
N.B. Harvard UofA style will not be available in EN Online - the closest style available to you is Harvard(Qld).
You can use Cite While You Write in a Word document to insert references from your EN Web library - this option should be available in Word when you install the EN program.
You can select this in your Word document under Preferences - Application - use the drop down menu to select EndNote Online instead of EndNote.
Select another style:
You will only be able to choose another style from your list of favourites - adding more styles to your list of favourites needs to be done in the EN Online library - see screen shot below
Adding more styles to your list of favourites: