Quick Guide: Citations – CMOS – Page 4

Chicago Manual of Style: Data

In the following example, the author used data to create a custom chart, which doesn’t require direct permission, but should credit the data source.

Figure 2.1 Happiness scale based upon income.
Source: Gandelman & Hernandez-Murillo, “Happiness scale based upon income,” Federal Reserve Bank of St. Louis Review, 91, no. 3.