Format numbers in manuscripts differently if you are writing fiction, to reflect a character or imitate oral speech.
Instructions - Journal Bone Fragility
Wordiness (Pt.2 of Line Editing for Fiction Writers)
Manuscript Guidelines
Guidelines on manuscript format, structure, and style: avoiding editorial holdups in the publication process
Manuscript Formatting: How To Format Your Book For An Editor
eEditorial Discovery User Guide - Journals
Author Guidelines
Author Guidelines Archives of Allied Health Sciences
GUIDELINES FOR AUTHORS WRITING TRADE BOOKS - AUTHOR RESPONSIBILITIES We reserve the right to return materials to the author if they are not prepared correctly.
PDF) GUIDE-LINES FOR AUTHORS FOR PREPARING CAMERA-READY PAPERS
Format Numbers in Manuscripts According To These Guidelines