While a lot of attention is paid to finding and using datasets, it is just as critical to attribute the information properly and cite it. Each discipline or publication seems to have its own convention for citing either in reference lists or in text.
Here are some sources that may provide assistance:
Data repositories and scholarly data sites may also provide a preferred citation for a dataset. Here are few that are core in policy sciences:
Different citation styles will also offer guidance on how to cite data:
This search box will search the major open access data repositories for datasets with specific search terms:
Google has also launched an engine that will search for datasets by keyword.