Datasets vs. Statistics
Data (raw numbers) provides all available variables collected; it can be manipulated and aggregated as needed.
Datasets are data collected and arranged logically according to definitive criteria.
Statistics are data that has been already prepared/presented in aggregated form as in a table, chart or graph.
Citing Data: Refer to the page from ICPSR, which discusses the importance and how to properly cite data.
Helpful guides to citation styles: