You can use EndNote Online’s Cite While You Write (CWYW) function to create in-text citations and a bibliography in your Word document, and to format in whatever bibliographic style you choose. If you don't have EndNote desktop installed you will need to download the CWYW plug in from the Options tab in EndNote Online.

Switching to the EndNote Online application in Word

• From Word, click the EndNote X20 ribbon  > Preferences > Application > EndNote Online

Insert Citations into a Word Document with Cite While You Write

• Place the cursor in the location of your Word document where you want the citation to appear
• Click Insert Citation(s) and select the required citation

• Enter a search term in the Search field to find the reference you want to insert
• Select the reference you want to insert, then click the Insert button
   

• The reference will be inserted into your word document, with the bibliography/reference list entry listed at the end of the page