APSA style is regulated by the American Political Science Association and below are a few resources to help you format your paper. In matters of editorial style, APSA follows the latest edition of the Chicago Manual of Style. See the Chicago Style tab at the left for information.
Here are a few resources to help you navigate CSE style.
The ACS Style Guide is generally used for academic writing in chemistry. For information and examples, refer to Chapter 14 of the ACS Style Guide.
Here are a few resources to help you navigate Turabian style.