The American Chemical Society's guide for authors of ACS journal articles, The ACS Guide to Scholarly Communication is now available to UCSB users. It covers many issues of scientific communication and writing style in addition to the ACS Citation style.
The ACS Style Quick Guide is available free online.
For the previous edition, print version, see:
Coghill, Anne M. and Lorrin R. Garson (eds). 2006. The ACS style guide: Effective communication of scientific information. 3rd ed. Washington DC: American Chemical Society. Reference QD8.5 A25 2006 [Non-circulating]
More examples of the 3rd edition style:
From University of Wisconsin-Madison
From Williams College