The American Chemical Society has recently published an online version of The ACS Style Guide, 3rd ed. (2006). This is the most current edition of this authoritative guide to all forms of written communication in chemistry. Here is where you'll find the style conventions you need to know when authoring a paper and when referencing the the literature of chemistry and related fields. This online version is made available to ACS journal institutional subscribers; it is free to all users on the ChemWorx platform.