Question

to insert a dash first click insert citation and the click add new place holder​

Answer 1

Answer:

In the “Citations & Bibliography” button group, then click the “Insert Citation” drop-down button. Select the “Add New Placeholder…” command from the drop-down menu to open the “Placeholder Name” dialog box. Enter a placeholder citation name into the field in the dialog box.

Answer 2

Answer:

your answer is Bibliography