Box 27Abbreviation rules for editions

• Abbreviate common words found in edition statements, if desired:

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  Word	Abbreviation
  edition	ed.
  abbreviated	abbr.
  abridged	abr.
  American	Am.
  augmented	augm.
  authorized	authoriz.
  English	Engl.
  enlarged	enl.
  expanded	expand.
  illustrated	ill.
  modified	mod.
  original	orig.
  reprint(ed)	repr.
  revised	rev.
  special	spec.
  translation	transl.
  translated

  For additional abbreviations, see ISO 832:1994 - Rules for the abbreviation of bibliographic terms.
• Follow abbreviated words with a period and end all edition information with a period

  • 3rd rev. ed.
  • 1st Engl. ed.
• Do not abbreviate the following words used in Internet editions:

  • version
  • release
  • update
  • level