There are many citation style guides out there. Some examples for chemical engineering include:
Please consult with your professor/instructor/advisor as to the one you should use for your assignments and papers.
Citation management software allows you to easily select, annotate, organize, and output citations in approved-style reference lists. It also allows you to easily format bibliographies and in-text citations.
REFWORKS
RefWorks is citation management software that is licenced for all CCNY students, faculty and staff to use. To create an account or log in, click here.
RefWorks offers a series of online tutorials to help you get started. Click here to access the tutorials.
OTHER CITATION MANAGEMENT SOFTWARE
Other citation management software is also available.
EndNote Web (available through Web of Knowledge - Click "My EndNote Web" to register for a free account)
Zotero (free)