Spelling and Punctuation: US English spelling and punctuation. Use -ize, -yze spellings. “Double outer, with ‘single’ inner” quote marks. Commas and periods inside closing quote marks.
Numbers and Dates: Generally spell one to twelve; 11+; about a hundred; 101; 1 million; 1 percent; no elision in page numbers. May 10, 2009; 2008–09 (but no elision for lifespans); mid-1980s; 20th-century idea.
En/em rules: Use em rules for parenthetic dash (unspaced). En rules for number spans. Stet each author’s use in constructions such as “capital–labor ratio” / “capital-labor ratio”.
Notes: Numbered endnotes at end of each article; on-page footnote used for author info/affiliation.
Abbreviations: ed. eds. e.g. et al. etc. ibid. i.e. US
URLs: do not use http:// if followed by www.
References in endnotes:
References in list of works cited:
References in main text: