How to use square brackets ?

There are two uses of square brackets (which, confusingly, Americans call simply brackets):

  • to set off an interruption within a direct quotation [Churchill said of the Battle of Britain: “Never in the field of human conflict was so much owed by so many to so few [the Royal Air Force pilots]”.]
  • to set off material which is extraneous to the main text, such as the examples of the usage of punctuation in this essay or comments in a draft document which are not intended to be in the final version

For Scientific english editing and Medical Writing Services visit

Leave a Reply

Your email address will not be published. Required fields are marked *

Share via
Copy link