Box 79Titles containing a Greek letter, chemical formula, or another special character

  • Capitalize the first word of a book title unless the title begins with a Greek letter, chemical formula, or another special character that might lose its meaning if capitalized
    • 1,3-dichloro-5,5-dimethylhydantoin: health-based reassessment of administrative occupational exposure limits.
    • von Willebrand factor and the mechanisms of platelet function.
  • If a title contains a Greek letter or some other symbol that cannot be reproduced with the type fonts available, substitute the name for the symbol. For example, Ω becomes omega.
    • γ-linolenic acid: recent advances in biotechnology and clinical applications.
    • may become
    • Gamma-linolenic acid: recent advances in biotechnology and clinical applications.
    • Enantioselective synthesis of β-amino acids.
    • may become
    • Enantioselective synthesis of beta-amino acids.
  • If a title contains superscripts or subscripts that cannot be reproduced with the type fonts available, place the superscript or subscript in parentheses
    • TiO2 nanoparticles.
    • may become
    • TiO(2) nanoparticles.

From: Chapter 2, Books

Cover of Citing Medicine
Citing Medicine: The NLM Style Guide for Authors, Editors, and Publishers [Internet]. 2nd edition.
Patrias K, author; Wendling D, editor.
Bethesda (MD): National Library of Medicine (US); 2007-.

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