Bibliography entries use numbers in the following places: edition, volume, issue, and page numbers. The following example uses the Edition component to demonstrate how you edit the appearance of numbers in a component.:
If necessary, enter prefixes and suffixes. The example shown would be used for the following formatting: 3rd ed.
Please note the space before "ed."
If you can, use the Edition number derived component instead of the Edition component. Edition number derived extracts the edition number from an edition such as "2nd improved and expanded edition" and lists only it in the bibliography.