MLA Style
Guide to MLA Style from Purdue University Online Writing Lab (OWL)
Find the MLA Handbook in the library on the 1st floor at call number Reference Z253 .G53 2016
For online bibliographic management & automatic citation formatting, try RefWorks:
Chicago Style
Guide to Chicago Style from Purdue University Online Writing Lab (OWL)
Find the Chicago Manual of Style in print on the library's 1st floor at Ref Z253 .U69 2010
Read the Chicago Manual of Style online in e-book format