ꯇꯦꯝꯄ꯭ꯂꯦꯠ:Citation Style documentation/volume
- volume: For one publication published in several volumes. Displays after the title and series fields; volume numbers should be entered just as a numeral (e.g. 37) of 4 characters or less, and will appear in bold. Any value of 5 or more characters will be presumed to follow some other convention and will not appear in bold.