NU Library subscribes to this citation generator because it is more accurate in the creation of citations than the free ones available online are. Other options it provides:
NOTE: In order to have accurate citations, you must imput the correct citation information into the correct boxes. If you aren't sure if a citation is correct double check for accuracy from the Purdue University Online Writing Lab (OWL). This free citation manual provides descriptions to create your own citations from scratch as well as examples to compare what your selected citation generator provides.