Chapter 14 of the ACS Style Guide explains how to cite references and how to list reference citations. It is available free online via the American Chemical Society:
This book is also available in the Reference section of the library at call# READY REF QD8.5 .A25 2006.
Journal Abbreviations
ACS style requires that journal titles be abbreviated. Use the Chemical Abstracts Service Source Index (CASSI) to identify or confirm journal titles and abbrevations:
The ACS Style Guide (3rd ed.)