The American Chemical Society is the format and style authority for chemistry. However, each journal may ask for papers to have a different format.
Engineering societies often use the Chicago style but check each association for variations.
The American Mathematics Association has a style for their publications. However check information for authors within the target journal of your interest.
- ACS Style Guide: Effective Communication of Scientific Information 2North Ref QD 8.5 .A25 2006
- Manual for authors of mathematical papers 2North Ref and 3North QA 42 .M36 1990