We need (3 steps) to operate how to type square brackets in word references. The model of this demonstration is Lenovo rescuer R 9000 K; System: Windows10; ; Software: wpsoffice11.1; The following are the detailed steps

1 Click Insert

In the current document, click Insert at the top;

1. Click Insert 2, and then click the symbol.

After entering the page, click the symbol on the upper right;

2. Click symbol 3, and then click the square brackets.

In the new interface, click the square brackets.

3. Click the square brackets