Google Scholar: Try the author's last name and a good chunk of the title in " " and then use the Find it At Cal Poly link, often found hidden beneath the "more" under the result. Be sure that you are logged into MyCalPoly Portal AND signed into OneSearch.
This guide gives you great pointers on the best databases and resources for your field. Don't forget that you can find help on 24/7 LIVE CHAT at any time of day or night. You can also email the CLA librarian, Brett Bodemer, at bbodemer@calpoly.edu.