Most books on chemistry have QD call numbers.
In one of these library databases
In one of these web resources
In one of these online collections
If you need a book or article that PSU does not have you can request the article through Interlibrary Loan.
This service is free to all PSU students, faculty, and staff.
The Style Guide is also available in the reference section of Lamson Library at REF QD8.5 .A25 2006